online
online — 形容詞
1. describing things that people access, use, or purchase through the internet, wit
線上
透過網路提供或使用的
describing things that people access, use, or purchase through the internet, without needing to visit a physical location.
Karim signed up for an online course that teaches Japanese calligraphy.
Karim 報名了一堂線上課程，學習日本書法。
attributive: online + noun (course)
The company's payment system is now online, so customers can pay from home.
那家公司的付款系統現在已經上線，顧客可以從家裡付款。
predicative: be + online
Constanza switched to an online bank after her local branch closed down.
Constanza 在住家附近的銀行分行關閉後，改用線上銀行。
The full report should be online by Friday afternoon.
完整的報告應該在星期五下午前上線。
- offline
not connected to or available through the internet
文法句型
online + noun
be + online
用法筆記
Attributive use (before a noun) is more common; predicative use often signals availability or activation rather than a permanent quality.
常見錯誤
2. describing how people behave, express themselves, or communicate when they are a
網路使用
與個人網路使用相關的
describing how people behave, express themselves, or communicate when they are active on websites and apps such as social media platforms.
Lien keeps her online persona separate from her real-life identity.
Lien 將她的網路身份與現實生活中的身份分開。
attributive: online + noun (persona)
Asher's online behaviour changed after he started receiving nasty comments.
Asher 在收到惡意留言後，他的網路行為改變了。
attributive: online + noun (behaviour)
Schools should teach children about online safety and responsible social media use.
學校應該教導兒童網路安全以及負責任的社群媒體使用方式。
Vikram deleted his online profiles after the data leak was announced.
Vikram 在資料外洩消息公布後刪除了他的網路個人資料。
- digital
broader — covers all electronic communication, not just internet-based
- real-world
in physical, non-digital life
文法句型
online + noun
用法筆記
Almost always used before a noun. Common with nouns describing identity, behaviour, communication, or risk (persona, presence, safety, harassment, profile).
常見錯誤
3. used to describe someone who spends so many hours on websites and social media p
沉迷網路
長時間上網而深受影響的
used to describe someone who spends so many hours on websites and social media platforms that it strongly shapes their thinking and daily habits.
Ezra calls himself an online person because he gets all his news from Twitter and TikTok.
Ezra 說自己是個沉迷網路的人，因為他所有的新聞都來自 Twitter 和 TikTok。
attributive: online + noun (person) describing a type of person
The documentary explored how online communities shape young people's political views.
這部紀錄片探討了網路社群如何塑造年輕人的政治觀點。
Lan became less online after she realised social media was making her anxious.
Lan 在發現社群媒體讓她感到焦慮後，就比較少上網了。
Obi's online habits include checking four different platforms every twenty minutes.
Obi 的網路習慣包括每二十分鐘檢查四個不同的平臺。
- offline
not heavily engaged with the internet; living more in the physical world
文法句型
online + noun
be + online + noun describing a person
用法筆記
Common in informal contexts, especially among younger speakers. Predicative use — for example, 'He is very online' — often has a slightly negative or self-aware tone.
常見錯誤
online — 副詞
1. by means of the internet; through an internet connection rather than in person o
網路
透過網路進行交易或操作
by means of the internet; through an internet connection rather than in person or by visiting a physical place.
Élise booked her train tickets online to avoid the queue at the station.
Élise 在網路上訂了火車票，以免在車站排隊。
verb collocation: book + online
Christopher paid for the guitar online and had it delivered to his apartment.
Christopher 在網路上付了吉他錢，並要求送到他的公寓。
verb collocations: pay + online, have delivered
Eric teaches maths online to students in three different countries.
Eric 在網路上教數學，學生來自三個不同的國家。
You can apply for the scholarship online without printing any forms.
你可以在網路上申請獎學金，完全不需要列印任何表格。
- electronically
more formal; covers any digital method, not just internet
文法句型
verb + online
用法筆記
Pairs with a wide range of action verbs referring to transactions, communication, or administrative tasks. The verb is always placed before 'online'.
常見錯誤
2. in a situation where you have an internet connection and can send messages, brow
連線
處於可連線使用網路的狀態
in a situation where you have an internet connection and can send messages, browse websites, or use other network services.
Joshua's phone came back online after he restarted it and entered the Wi-Fi password.
Joshua 重新啟動手機並輸入 Wi-Fi 密碼後，手機就恢復連線了。
phrasal collocation: come back online (regain connection)
The receptionist said the booking system would be online again by lunchtime.
櫃檯人員說訂位系統會在午餐時間前恢復連線。
Lan went online to check if the library had extended its opening hours.
Lan 上線查看圖書館是否延長了開放時間。
After the power outage, the hospital's booking system came back online and staff resumed scheduling patients.
停電後，醫院的預約系統恢復連線，工作人員重新開始安排病患。
- connected
more general; can refer to any network, including phone lines or local networks
- offline
not connected to the internet
文法句型
be + online
come + online
go + online
用法筆記
Common with linking verbs (be, come, go, stay). 'Go online' implies taking an intentional action to connect; 'come online' describes a system or device regaining functionality.
常見錯誤
3. connected to and actively communicating with a central computer system, server,
系統連線
與系統或伺服器連線中
connected to and actively communicating with a central computer system, server, or network, so that data can be exchanged.
The new server came online just before the annual sale began.
新的伺服器在年度促銷開始前上線運作。
phrasal collocation: come online (system activation)
All the security cameras are online and transmitting footage to the control room.
所有的監視攝影機都已經連線，正在將畫面傳送到控制室。
predicative: are online (connected and functioning)
The printer is not online because someone unplugged the network cable.
這臺印表機沒有連線，因為有人拔掉了網路線。
The factory's temperature sensors went online at six o'clock this morning.
工廠的溫度感測器在今天早上六點上線運作。
- offline
disconnected from the system
- standalone
functions independently without network connection
文法句型
be + online
come + online
用法筆記
More technical than sense 2. Often refers to hardware, machinery, or industrial systems rather than personal devices. Common in IT and engineering contexts.
常見錯誤
❌ 'The machine came online, but then went online again 5 minutes later.' — ambiguous. Use 'went offline' for the opposite state.