open
open — 動詞
1. to move something, or to move, from a shut position so people can pass, see, or
打開
把門窗口等由關變開
to move something, or to move, from a shut position so people can pass, see, or use it.
Nina opened the kitchen window after the soup burned.
湯燒焦後，Nina 打開了廚房窗戶。
open + door/window
The gate opened slowly when the guard pressed the button.
警衛按下按鈕後，大門慢慢打開了。
intransitive: gate/door opens
Please open your mouth so the dentist can check your teeth.
請張開嘴巴，讓牙醫檢查你的牙齒。
Sam opened the car door for his grandmother.
Sam 幫祖母打開了車門。
At sunrise, the white flowers opened across the garden wall.
日出時，白花在花園牆邊綻開了。
文法句型
open + door/window/gate
[door/gate/flower] open(s)
open your mouth/eyes
用法筆記
This sense covers doors, windows, gates, mouths, eyes, and similar things that move from shut to unshut. Distinguish from sense 4, which focuses on removing a lid, wrapper, or seal to reach what is inside.
常見錯誤
2. to remove a lid, seal, or wrapping from a box, bag, bottle, or package in order
拆開；拆封
把包裹容器打開取內容物
to remove a lid, seal, or wrapping from a box, bag, bottle, or package in order to reach the things inside.
Lily opened the parcel with scissors at the kitchen table.
Lily 在廚房桌邊用剪刀拆開了包裹。
open + parcel/jar/packet
We opened the jar and smelled fresh peach jam.
我們打開果醬罐時，聞到了新鮮桃子香。
Ben opened the lunch box during the train ride.
Ben 在火車上打開了便當盒。
The nurse opened a new bandage packet beside the bed.
護士在床邊拆封了一包新繃帶。
At home, Grandma opened the tea tin for the guests.
在家裡，奶奶打開了茶罐招待客人。
文法句型
open + parcel/jar/packet
open + box/bag/bottle
用法筆記
The object is usually a box, bag, bottle, jar, packet, parcel, or similar container. Distinguish from sense 3, where a door, gate, mouth, or flower moves into an open position.
常見錯誤
3. if a business or public place opens, it begins serving people; if someone opens
營業；開門
店家或機構開始服務
if a business or public place opens, it begins serving people; if someone opens one, they start it.
The bakery opens at seven, so breakfast is easy here.
那家麵包店七點營業，所以在這裡吃早餐很方便。
place opens at + time
A new clinic opened across from the station last month.
車站對面那家新診所上個月開門營業。
Our school library opens again after lunch at one.
我們學校圖書館午餐後一點再開門。
The travel office opens late on Sundays in summer.
那家旅行社夏天星期天會晚點營業。
Mr. Patel opened a small flower shop near the temple.
Mr. Patel 在寺廟附近開了一家小花店。
文法句型
[shop/office/library] open(s) at + time
open + shop/business/place
用法筆記
The subject is usually a shop, office, clinic, library, museum, or similar place. With a person as subject, the object is the business or place they start; sense 6 is the ceremonial use.
常見錯誤
4. to let people use, enter, or join something that was not available before.
開放；提供
讓人可以使用或參加
to let people use, enter, or join something that was not available before.
The town opened two free water stations during last summer's heat wave.
那個小鎮在去年夏天熱浪期間開放了兩個免費供水站。
open a service for public use
Our school opened the gym to neighbors on rainy weekends.
我們學校在下雨的週末把體育館開放給鄰居使用。
open + place + to + group
After the flood, workers opened one lane of the bridge at dawn.
洪水過後，工人在黎明時開放了橋上的一條車道。
The museum opened its photo archive to students this spring.
那座博物館今年春天把照片檔案開放給學生查閱。
The airline opened more seats after adding a larger plane.
航空公司在改用較大飛機後，提供了更多座位。
- make available
the closest broad equivalent, especially in neutral writing
- provide
focuses more on giving a service or chance
- launch
often used for a new service, product, or program
文法句型
open something to someone
open more seats / classes / lanes
open a place or service for public use
用法筆記
The subject is often a school, company, government, or other organization, and the object is usually a place, service, route, or opportunity. Distinguish from sense 6 (READY), where someone officially declares a building or event ready.
常見錯誤
5. to make a file, website, or program appear on the screen so you can read or use
開啟
把檔案或程式打開使用
to make a file, website, or program appear on the screen so you can read or use it.
Lena opened the photo file to print Grandma's birthday picture.
Lena 開啟了照片檔案，好列印奶奶的生日照片。
open + file
Please open the map app before we leave the station.
我們離開車站前，請先開啟地圖 app。
open + app
Mr. Chen opened the spreadsheet during the sales meeting.
Chen 先生在銷售會議中開啟了試算表。
I opened the email attachment on the library computer.
我在圖書館的電腦上開啟了電子郵件附件。
The nurse opened Maya's record before the doctor came in.
護理師在醫師進來前先開啟了 Maya 的病歷。
文法句型
open a file
open a program or app
open an attachment or record
用法筆記
Use this sense for digital things on a screen, not for starting the machine itself. Distinguish from sense 3 (NOT CLOSED), where you move a door, lid, or similar object.
常見錯誤
6. to start, or to make an event, activity, or period start.
開始；展開
使活動或時段開始
to start, or to make an event, activity, or period start.
The meeting opens at nine, so please arrive early.
會議九點開始，所以請早點到。
intransitive: open at + time
Coach Rivera opened practice with ten minutes of stretching.
Coach Rivera 先做十分鐘伸展，展開了練習。
open + event with + first activity
The film opens with children running through a wet market.
這部電影一開始，就是孩子們跑過傳統市場。
A violin solo opened the awards night in Taipei.
一段小提琴獨奏為台北的頒獎晚會揭開序幕。
The museum will open its winter show next Friday.
博物館將在下週五開始冬季展覽。
文法句型
open at + time
open with + first part
open + event/activity
用法筆記
Often used for meetings, shows, lessons, speeches, and stretches of time. Distinguish from sense 2, which is specifically about performing before the main act in a show.
常見錯誤
7. if an important person opens a building, exhibition, or event, they officially a
啟用；開幕
正式宣布建物或活動開始
if an important person opens a building, exhibition, or event, they officially announce its start.
The mayor opened the new bridge with a short speech.
市長以簡短致詞，為新橋主持啟用。
officially open + building/event
Mayor Wu opened the art festival on Friday morning.
Mayor Wu 在星期五早上為藝術節主持開幕。
A famous writer opened the book fair in Tainan.
一位知名作家為台南書展主持開幕。
President Chen opened the science center before the tour began.
President Chen 在導覽開始前為科學中心主持啟用。
Last spring, Dr. Lin opened the children's hospital wing.
去年春天，Dr. Lin 為兒童醫院的新病房主持啟用。
- inaugurate
formal word for officially starting a public building or event
- launch
works for programmes and campaigns, but is broader
- dedicate
often used when a building or monument is formally presented
- close
to stop or end the event or service rather than begin it
文法句型
open + bridge/building/event
officially open + place/event
用法筆記
The subject is usually a mayor, president, royal, or other public figure, and the object is often a public building or event. Distinguish from sense 5, which is about regular business hours or starting a business.
常見錯誤
8. to perform first in a concert or show, before the star act comes on.
暖場；開場
在正式主秀前先表演
to perform first in a concert or show, before the star act comes on.
A local jazz band opened for the singer in Kaohsiung.
一支本地爵士樂團在高雄替那位歌手暖場。
open for + main performer
Mina's band is opening for the main band at the arena.
Mina 的樂團今晚會在體育館替主樂團開場。
Last year, Ethan opened for a comedian on the night market stage.
去年，Ethan 在夜市舞台替一位喜劇演員暖場。
The school choir opened for the visiting rock group.
校合唱團替來訪的搖滾樂團開場。
文法句型
open for + performer
open before + main act
用法筆記
Usually followed by 'for' plus the better-known act. Unlike sense 1, the subject here is the performer who appears first, not the event itself.
常見錯誤
open — 名詞
1. the outdoor space around you, especially when you are away from buildings or she
戶外；露天
在屋外或露天處
the outdoor space around you, especially when you are away from buildings or shelter.
After the tent tore, the scouts slept in the open by the river.
帳篷破了以後，那群童軍就在河邊露天睡覺。
in the open = outdoors without cover
We ate lunch in the open while rain clouds hung over the hills.
我們在戶外吃午餐時，雨雲一直掛在山丘上方。
At night, the goats were safer in the barn than out in the open.
到了晚上，山羊待在穀倉裡比待在露天更安全。
Without a bus stop nearby, Mia waited in the open beside the highway.
附近沒有公車站，Mia 只好在公路旁的露天處等著。
The guide warned us not to leave food out in the open near camp.
嚮導提醒我們，不要把食物放在營地附近的露天處。
文法句型
in the open
out in the open
用法筆記
Usually appears in the fixed phrases 'in the open' or 'out in the open'. It often suggests being outside without a roof, walls, or other cover.
常見錯誤
2. a state in which something is public and no longer hidden from other people.
公開
事情變得不再隱瞞
a state in which something is public and no longer hidden from other people.
By noon, the secret was out in the open across the whole office.
到了中午，那個祕密已經在整間辦公室公開了。
out in the open = publicly known
Once the video reached reporters, the lie was in the open.
影片一傳到記者手上，那個謊言就公開了。
The couple's argument moved into the open during the parents' meeting.
那對夫妻的爭吵在家長會上搬到了檯面上。
After years of rumors, the payments finally came into the open.
流傳多年之後，那些款項終於曝光了。
With the court papers online, the case was fully out in the open.
法院文件一上網，這個案子就完全公開了。
- public view
a close neutral phrase for being visible to everyone
- public knowledge
emphasizes that many people already know the fact
- daylight
used figuratively in expressions like 'bring something into the daylight'
文法句型
out in the open
come into the open
be in the open
用法筆記
Most often used in phrases such as 'out in the open' and 'come into the open'. Distinguish from sense 1 (OUTDOORS), where the phrase refers to a physical place outside.
常見錯誤
3. a sports event or similar competition that many kinds of players may enter, not
公開賽
開放多人參加的比賽
a sports event or similar competition that many kinds of players may enter, not only a small chosen group.
Luca played in the county open with older and stronger golfers.
Luca 參加了那場郡級公開賽，對手都是年紀更大也更強的高爾夫球手。
play in + open tournament
The club will host a junior open on Saturday morning.
那間俱樂部將在週六上午舉辦一場青少年公開賽。
a junior open
After the regional open, Amy earned a place on the team.
打完那場區域公開賽後，Amy 爭取到了隊上的一個名額。
Hundreds of players entered the national open this summer.
今年夏天有數百名選手報名那場全國公開賽。
Every spring, the beach town holds an open for young surfers.
每到春天，那個海邊小鎮都會為年輕衝浪手舉辦一場公開賽。
- tournament
the broad general word and not necessarily open to all
- competition
very general and can refer to many kinds of contests
- championship
often sounds more formal and may suggest a top-level event
- invitational
a competition where only selected players may join
文法句型
a junior open
the national open
enter an open
用法筆記
Often follows a word naming the place, level, or age group, as in 'county open' or 'junior open'. Common in sports, especially golf, tennis, and similar tournaments.
常見錯誤
open — 形容詞
1. in a position that lets people, air, or things pass because it has not been shut
敞開的
門窗、衣物等沒關上
in a position that lets people, air, or things pass because it has not been shut, locked, or fastened.
The back gate stood open after the delivery truck left.
送貨卡車離開後，後門還敞開著。
be open for an unfastened barrier
An open suitcase spilled shirts across the hotel floor.
一個敞開的行李箱把襯衫灑滿旅館地板。
Please keep the kitchen window open while the paint dries.
油漆乾的時候，請讓廚房窗戶開著。
Rosa noticed her coat was still open in the cold wind.
Rosa 發現自己的外套在冷風中還敞開著。
- unfastened
best when something has not been tied, buttoned, or closed properly
- unlocked
only fits things that can be locked
- ajar
means slightly open rather than fully open
文法句型
be open
leave + noun + open
keep + noun + open
用法筆記
Often used after verbs like 'be', 'leave', and 'keep', and also before nouns such as 'door' or 'window'. Distinguish from sense 3, which is about spaces or things with no cover around them.
常見錯誤
2. operating and ready to serve people, receive messages, or be used at that time.
營業中；可用
正在服務或可立即使用
operating and ready to serve people, receive messages, or be used at that time.
The bank is open until six on Fridays.
那家銀行星期五營業到六點。
open until + time
Our help line stays open all night during storms.
暴風雨期間，我們的求助專線整晚都開通著。
stay open for service hours
Is this seat open, or is someone sitting here?
這個位子還可用嗎，還是有人坐了？
The online form will be open again after lunch.
那份線上表單午餐後會再開放使用。
- closed
not operating or not allowing people to use the service
- unavailable
broader opposite for something that cannot be used now
- out of service
used especially for phones, machines, and public facilities
文法句型
be open
open until + time
stay open
be open all night
用法筆記
Usually used after a linking verb to describe a shop, service, line, seat, or system that is currently available. Distinguish from sense 5, where 'open to' shows who may join or enter.
常見錯誤
3. without walls, a roof, or another cover around it or over it.
露天；無蓋
沒有牆、屋頂或上蓋
without walls, a roof, or another cover around it or over it.
We ate in an open courtyard behind the old station.
我們在舊車站後面的露天庭院吃飯。
open + place noun
The sheep slept in an open field beside the river.
羊群睡在河邊一片無遮蓋的草地上。
An open fire burned near the center of the camp.
營地中央附近燒著一堆露天營火。
Two fishermen crossed the lake in an open boat before dawn.
兩名漁夫在黎明前搭著一艘露天小船過湖。
文法句型
open + place noun
open + field
open + fire
open + boat
用法筆記
Usually appears before nouns for outdoor spaces or things with no roof, lid, or enclosing sides. Distinguish from sense 1, which is about something that could be shut but is not shut now.
4. shown on a screen and ready for reading, changing, or using.
開啟中
文件或程式正在顯示
shown on a screen and ready for reading, changing, or using.
I still have your budget file open on my laptop.
你的預算檔案現在還在我的筆電上開著。
have + file open
Three browser tabs were open during the video call.
視訊通話時，有三個瀏覽器分頁是開著的。
Mina left the map app open while she walked downtown.
Mina 走在市中心時，還把地圖程式開著。
Can you keep the chat window open during the lesson?
上課時，你可以把聊天視窗開著嗎？
文法句型
have + file open
leave + app open
keep + window open
用法筆記
Most common with files, tabs, apps, and windows that remain visible and usable on a screen. If you mean the action of making a file visible, use verb sense 8.
常見錯誤
5. allowing anyone, or a stated group, to enter, join, apply, or use something.
開放的
不限特定人，可加入或進入
allowing anyone, or a stated group, to enter, join, apply, or use something.
The art contest is open to all high school students.
那場美術比賽開放給所有高中生參加。
open to + group
This beach is open to the public after sunrise.
這片海灘日出後就開放給大眾進入。
collocation: open to the public
Applications are open only to nurses with two years' experience.
這項申請只開放給有兩年經驗的護理師。
The meeting is open to anyone who lives nearby.
這場會議開放給住在附近的任何人參加。
- accessible
emphasizes that people are allowed to enter or use something
- public
fits places or events intended for everyone
- unrestricted
formal and stresses lack of limits or barriers
- restricted
limited to certain people or conditions
- exclusive
kept for a small group rather than everyone
- closed
not allowing people to enter, join, or attend
文法句型
open to + all
open to + noun phrase
open to the public
用法筆記
This sense usually takes 'to' and names who may enter, attend, or take part. Distinguish from sense 2, where a service or place is simply operating and ready now.
常見錯誤
6. known by other people, or expressed without trying to hide it.
公開的
不是祕密，大家都知道
known by other people, or expressed without trying to hide it.
There was open disagreement about the new fees at lunch.
午餐時，大家公開地對新費用表示不同意見。
open + disagreement
Lena's open support for the strike surprised the company board.
Lena 對罷工的公開支持讓公司董事會很意外。
open + support
Open hostility followed the mayor through every market visit.
市長每次走進市場，都遭到公開的敵意。
By June, their plan to leave was open knowledge in town.
到了六月，他們要離開的計畫在鎮上已是公開的消息。
- public
the broad everyday choice when something is known by everyone
- overt
formal and often used for feelings, acts, or opposition shown clearly
- unconcealed
formal and stresses that nothing is hidden
文法句型
open + support
open + criticism
open + hostility
open knowledge
用法筆記
Common with nouns such as 'support', 'criticism', 'hostility', and 'knowledge' when something is public rather than hidden. Distinguish from adjective sense 7, which is about being frank and willing to share thoughts.
7. willing to speak plainly about your feelings, plans, or problems instead of hidi
坦率的
願直接說出想法感受的
willing to speak plainly about your feelings, plans, or problems instead of hiding them from other people.
Maya was open about her divorce when the staff asked questions.
當同事發問時，Maya 很坦率地談到自己的離婚。
be open about + topic
The company was open with workers about the coming job cuts.
公司對員工坦率說明了即將到來的裁員。
be open with + person
Unlike his brother, Ravi stayed open about the family debt.
和哥哥不同，Ravi 對家裡的債務說得很坦率。
At the press meeting, the coach was open about his fears.
在記者會上，教練坦率談到了自己的擔憂。
- frank
direct and honest, sometimes stronger in tone
- candid
slightly more formal and common in interviews or serious talk
- upfront
informal and often used for early, clear disclosure
- forthcoming
often used when someone willingly gives information
文法句型
be open about + noun
be open about + -ing
be open with + person
用法筆記
Usually follows a linking verb and often takes 'about' for the topic or 'with' for the person listening. Distinguish from sense 6, where information itself is public rather than personally shared in a frank way.
常見錯誤
8. still not settled, so a choice, answer, or result may change later.
未定的
還沒拍板，之後可能改變
still not settled, so a choice, answer, or result may change later.
The wedding date is still open until Hana confirms the hall.
婚禮日期目前還未定，要等 Hana 確認場地。
be open for an undecided matter
The judge left the amount of damages open until next month.
法官把賠償金額留到下個月再定。
leave + noun + open
After the storm, the final bus route question remained open for another day.
暴風雨過後，最後那條公車路線怎麼安排，還要再過一天才會定。
Several jobs are possible, so Mina is keeping her summer plans open.
有好幾份工作可選，所以 Mina 先把暑假計畫保持未定。
文法句型
be open
remain open
leave + noun + open
keep + noun + open
用法筆記
Most often used for plans, dates, outcomes, or legal matters that have not been fixed yet. Distinguish from sense 9, where 'open' describes the kind of question rather than an undecided issue.
常見錯誤
9. used for a question that invites explanation or opinion instead of a fixed short
開放式的
可自由作答，不限固定答案
used for a question that invites explanation or opinion instead of a fixed short reply.
The nurse asked an open question about how the pain began.
護理師問了一個開放式的問題，想知道疼痛是怎麼開始的。
open question in an interview
Mr. Lin uses open questions so shy students speak in full sentences.
Lin 老師會用開放式問題，讓害羞的學生也能完整表達。
open questions in teaching
On the survey, the last item was open and invited comments.
在那份問卷裡，最後一題是開放式的，讓大家自由留言。
In the interview, one open question led Rosa to tell her whole story.
面試中，有一個開放式問題讓 Rosa 把整段經歷都說了出來。
- open-ended
the most common label in teaching and survey design
- free-response
common in tests and questionnaires
- closed
used for questions with fixed answer choices
- multiple-choice
specifically gives a set of prepared answers
文法句型
open question
open-ended question
open response
用法筆記
Usually comes before 'question' or similar task words in teaching, surveys, and interviews. It contrasts with questions that limit people to fixed answer choices.
常見錯誤
10. In music, produced without stopping the string with a finger, or without using k
開放音
未按弦或不用鍵、活塞發出的音
In music, produced without stopping the string with a finger, or without using keys or valves on the instrument.
On the guitar, play the open string before moving your finger.
彈吉他時，先彈空弦，再把手指移上去。
open string on a guitar
Eva tuned the violin by listening to each open string.
Eva 靠聽每一條空弦的聲音來替小提琴調音。
each open string
The horn player held an open note without using the valves.
那位號手不用按活塞，就吹出了一個開放音。
In this song, the last chord starts with an open A.
這首歌最後那個和弦，是從空弦的 A 音開始的。
文法句型
open string
open note
open chord
用法筆記
Mostly used by music teachers and players with words like 'string', 'note', or the name of a note such as 'open A'.
常見錯誤
11. ready to listen to suggestions or unfamiliar ideas and give them a fair chance.
開明的
願聽並考慮新想法的
ready to listen to suggestions or unfamiliar ideas and give them a fair chance.
Our new principal is open to ideas from parents and teachers.
我們的新校長很開明，願意聽家長和老師的想法。
be open to + noun
After the first test failed, the team stayed open to change.
第一次測試失敗後，團隊仍願意接受改變。
At first Dad laughed, but he became open to trying online classes.
爸爸一開始還在笑，但後來願意接受去試線上課程。
The editor sounded open to my suggestion for a shorter ending.
那位編輯聽起來願意接受我把結尾縮短的建議。
- resistant
not wanting to accept change or advice
- closed-minded
unwilling to consider new ideas
文法句型
be open to + noun
be open to + -ing
用法筆記
Usually followed by 'to' plus ideas, advice, change, or suggestions. Distinguish from sense 12, where 'open to' introduces a danger or criticism rather than something welcomed.
常見錯誤
12. easy to hurt, criticize, or attack because there is not enough protection.
易受攻擊
容易遭批評、傷害或攻擊
easy to hurt, criticize, or attack because there is not enough protection.
After the leak, the minister was open to harsh criticism.
消息外洩後，部長立刻變得容易遭到猛烈批評。
open to + criticism noun
A weak password leaves your bank account open to hackers.
密碼太弱，會讓你的銀行帳戶容易遭駭客攻擊。
leave + noun + open to + risk
Without helmets, the boys were open to serious head injury.
沒戴安全帽時，這些男孩很容易受到嚴重頭部傷害。
Once the wall fell, the town was open to attack from the north.
城牆一倒，這座城鎮就容易遭北方攻擊。
- vulnerable
the nearest everyday equivalent
- exposed
stresses lack of protection
- liable
more formal and common in set phrases such as 'liable to attack'
文法句型
be open to + danger noun
leave + noun + open to + noun
用法筆記
Usually followed by 'to' plus a risk noun such as 'attack', 'criticism', 'abuse', or 'injury'. Distinguish from sense 11, where the object after 'to' is something positively received or considered.