sharp
sharp — 名詞
1. in written music, a note marked with the ♯ symbol that is played a half-step abo
升記號；半音
比原音高半音的記號或音符
in written music, a note marked with the ♯ symbol that is played a half-step above its natural pitch, or that symbol itself.
This piece has three sharps, so the pianist plays F, C, and G a half-step higher.
這首曲子調號中有三個升記號，因此演奏者必須將 F、C 和 G 音升高半音來彈奏。
key signature with multiple sharps
Sumin practiced the B sharp section until every note sounded clear.
Sumin 反覆練習有升 B 音的那一段，直到每個音符都聽起來清晰且音準正確。
noun: a specific sharp note by name
The composer added a sharp symbol before the last note to create a brighter ending.
作曲家在最後一個音符前加了一個升記號，讓結尾聽起來更明亮。
Yara learned to recognize A sharp by ear during her first violin lesson.
Yara 在第一堂小提琴課上學會了靠聽力辨認升 A 音。
- half-tone
refers to the interval, not the symbol or the note itself
- flat
a note one half-tone lower, or the symbol ♭
用法筆記
Countable noun. A sharp can be referred to by the note name it modifies, e.g. F sharp, C sharp.
常見錯誤
2. any tool used in medicine that has a very fine point or thin blade for cutting t
尖銳醫療器具
針頭、手術刀等尖銳器材
any tool used in medicine that has a very fine point or thin blade for cutting through or entering skin, including items like injection needles and surgical blades.
The nurse placed all used needles and other sharps into the special red disposal box.
護理師將所有用過的針頭及其他尖銳醫療器具放入專用的紅色廢棄物收集盒。
collocation: sharps disposal / sharps container
Marco reminded the trainee that sharps must be handled with gloves and discarded after one use.
Marco 提醒實習生，尖銳醫療器具必須戴手套處理，並在使用一次後丟棄。
Nia received training on how to collect used sharps in the hospital ward.
Nia 接受了如何在醫院病房收集用過的尖銳醫療器具的訓練。
Every examination room now has a wall-mounted sharps container for safety.
每間診療室現在都裝有壁掛式尖銳廢棄物收集盒，以確保安全。
用法筆記
Almost always used in the plural form 'sharps' as a general category. Singular use is rare and usually appears in technical or legal texts.
常見錯誤
sharp — 形容詞
1. describes something like a knife, blade, or needle whose very thin cutting side
鋒利的
刀刃或尖端薄而能切割
describes something like a knife, blade, or needle whose very thin cutting side or tip makes it possible to slice through materials or push into them.
The chef tested the sharp knife by slicing through a ripe tomato.
主廚用鋒利的刀子切開一顆成熟的番茄來測試刀刃。
sharp knife: fine-edged blade
Vinícius used a pair of sharp scissors to cut the thick cardboard box.
Vinícius 用一把鋒利的剪刀剪開厚紙箱。
The needle was so sharp that it went through the fabric with almost no effort.
那根針非常鋒利，幾乎不費力氣就穿過了布料。
A sharp blade can be dangerous if it is not stored in a safe place.
鋒利的刀片如果沒有收好在安全的地方，可能會很危險。
用法筆記
The opposite of sharp in this sense is dull or blunt. Commonly describes knives, scissors, blades, needles, razors, and tools.
常見錯誤
2. describes a change, turn, or movement that happens very quickly and strongly, of
急遽的
變化或動作突然而劇烈
describes a change, turn, or movement that happens very quickly and strongly, often in an unexpected way.
The road made a sharp turn to the left just before the bridge.
那條路在橋前方不遠處有一個急轉彎。
sharp turn: sudden change in direction
There was a sharp increase in the price of milk last month.
上個月牛奶價格急遽上漲。
sharp increase / sharp drop: sudden large change
Élise felt a sharp change in temperature when she stepped out of the airport.
Élise 走出機場時，感覺到溫度的急遽變化。
The bus came to a sharp stop when the dog ran into the street.
公車緊急煞車，因為一隻狗跑到了馬路上。
Doctors warned that a sharp rise in blood pressure can be dangerous.
醫生警告說血壓急遽上升可能很危險。
用法筆記
Frequently pairs with nouns indicating changes or movements: turn, bend, rise, drop, fall, increase, decrease, stop, change. The opposite (gradual) is expressed by gradual or gentle (for slopes and turns).
常見錯誤
3. describes a physical sensation that is sudden, intense, and piercing, often feel
劇痛的
突然而強烈的身體刺痛
describes a physical sensation that is sudden, intense, and piercing, often feeling as if the body is being cut or stabbed.
Esme felt a sharp pain in her lower back after lifting the heavy box.
Esme 抬起重物後，感覺到下背部一陣劇痛。
sharp pain in [body part]: sudden intense pain
A sharp sting shot through Dario's finger when the cat scratched him.
貓抓了 Dario 的手指，一陣劇痛傳來。
The doctor asked whether the pain was a dull ache or a sharp, stabbing feeling.
醫生問疼痛是隱隱作痛還是尖銳的刺痛感。
Patients often describe a sharp pain like a needle going into the skin.
病人常形容這種劇痛就像有針扎進皮膚一樣。
用法筆記
Commonly pairs with nouns like pain, ache, sting, sensation, or feeling, and with body parts introduced by 'in' (sharp pain in the chest / back / shoulder). Distinguished from sense 1 by referring to the sensation itself, not the object causing it.
常見錯誤
4. describes words, remarks, or a way of speaking that is severe, critical, or angr
尖刻的
言語嚴厲傷人的
describes words, remarks, or a way of speaking that is severe, critical, or angry, and likely to upset the person being addressed.
The manager's sharp reply made the intern feel embarrassed in front of the team.
經理的尖銳回答讓實習生在團隊面前感到難堪。
sharp reply: critical or angry response
Ife regretted her sharp tone when she saw the hurt look on her sister's face.
Ife 一看到妹妹受傷的表情，就後悔自己尖刻的語氣。
The newspaper printed a sharp criticism of the government's new policy.
報紙刊登了對政府新政策的尖銳批評。
Christopher tried to remain calm despite his father's sharp words about his career choice.
Christopher 試圖保持冷靜，儘管父親對他職業選擇說出了尖刻的話。
用法筆記
Commonly pairs with words, remark, reply, tone, criticism, comment, tongue (sharp tongue). Usually appears before the noun. Distinguished from sense 2 (SUDDEN) by referring to the emotional harshness of speech, not the speed of a change.
常見錯誤
5. able to notice small details, understand things quickly, and react with intellig
敏銳的
頭腦靈活、觀察力強
able to notice small details, understand things quickly, and react with intelligence.
Lakshmi gave a sharp answer that impressed everyone in the room.
Lakshmi 給出了一個機智的回答，讓在場所有人都印象深刻。
sharp answer: quick and intelligent reply
A sharp detective notices clues that other people walk right past.
敏銳的偵探能注意到別人視而不見的線索。
sharp + person noun for quick perception
Bao has incredibly sharp hearing and can catch whispers from across the room.
Bao 的聽力非常敏銳，能聽見房間另一頭的悄悄話。
That journalist asks very sharp questions that catch politicians off guard.
那位記者提問非常犀利，常讓政治人物措手不及。
- clever
broader in meaning, can include creativity; sharp leans more toward speed of perception
- quick-witted
emphasises fast, clever reactions in conversation or unexpected situations
- astute
more formal; suggests good judgment and the ability to assess people or situations accurately
用法筆記
Describes a person or their mind, senses, or mental abilities. Frequently pairs with nouns like mind, eye, ear, hearing, observation, question, wit.
常見錯誤
6. describes parts of a person's face, such as the nose, chin, or cheekbones, that
尖的
五官線條分明、稜角突出
describes parts of a person's face, such as the nose, chin, or cheekbones, that are thin, pointed, or angular rather than round or soft.
Tamar had a sharp nose and high cheekbones that gave her face a striking look.
Tamar 有著尖挺的鼻子和高聳的顴骨，讓她的臉看起來很突出。
sharp + facial feature (nose / chin / cheekbones)
The old photograph showed a woman with sharp features and narrow eyes.
那張舊照片裡的女人五官尖瘦，眼睛細長。
His sharp chin made his profile easy to recognise in a crowd.
他那尖尖的下巴讓側面輪廓在人群中很容易辨認。
The sculptor carved a face with sharp cheekbones and a strong jawline.
雕刻家刻出了一張有著尖削顴骨和堅硬下頷線條的臉。
用法筆記
Used exclusively for facial features; does not apply to body parts in general. Frequently pairs with nose, chin, cheekbones, jawline, and features. The opposite meaning is expressed by soft or round.
7. describes a food or drink that has a strong, sour, or tangy flavour, often one t
酸的
味道酸澀或帶強烈酸味
describes a food or drink that has a strong, sour, or tangy flavour, often one that makes the mouth feel fresh or slightly puckered.
The lemon juice gave the sauce a sharp, refreshing taste.
檸檬汁為醬汁增添了一股清爽的酸味。
sharp taste: sour / tangy flavour
Stefan added sharp cheese to the salad for extra flavour.
Stefan 在沙拉中加入味道濃烈的起司以增添風味。
sharp cheese: strong, tangy cheese
The dressing had a sharp, acidic tang that balanced the sweetness of the fruit.
沙拉醬帶有強烈的酸味，平衡了水果的甜味。
Jiwoo added a splash of sharp vinegar to the soup and tasted it carefully.
Jiwoo 在湯裡加了一些酸醋，然後仔細品嚐味道。
用法筆記
Commonly describes cheese (cheddar, parmesan), citrus fruits (lemons, limes), vinegar-based dressings, and certain wines. The opposite in taste is mild.
常見錯誤
8. If a picture, image, sound, or memory is sharp, you can see, hear, or recall it
清晰的
影像或聲音清晰明確
If a picture, image, sound, or memory is sharp, you can see, hear, or recall it with very clear and precise detail.
The new television gives a much sharper picture than the old one.
新電視的畫面比舊的清晰許多。
sharp + picture: describing image quality
Wren noticed a sharp contrast between the two photographs.
Wren 注意到兩張照片之間有鮮明的對比。
The teacher's instructions were sharp enough for every child to follow.
老師的指示很清楚，每個孩子都聽得懂。
The focus was not sharp, so the faces in the background looked blurry.
對焦不夠清晰，所以背景的人臉看起來模糊不清。
用法筆記
Often used with nouns related to images (picture, photo, image, contrast, focus) or perception (memory, distinction, difference).
9. having a stylish, modern, and well-groomed appearance that is currently in fashi
時髦的
穿著打扮時尚新潮
having a stylish, modern, and well-groomed appearance that is currently in fashion.
Christopher wore a sharp grey suit to the awards ceremony.
Christopher 在頒獎典禮上穿著一套合身的灰色西裝。
sharp suit / sharp look: well-dressed and stylish
The hotel lobby had a very sharp design with clean lines and modern furniture.
飯店大廳的設計非常時尚，線條簡潔、家具現代。
Isabela looked incredibly sharp in her new leather jacket and boots.
Isabela 穿上新皮夾克和靴子，看起來非常時尚。
The restaurant's sharp new menu attracted a lot of young customers.
那家餐廳推出時尚新菜單，吸引了許多年輕顧客。
用法筆記
Commonly describes clothing, accessories, hairstyles, or the overall appearance of a person or place. Carries a positive, approving tone.
10. making a loud, high-pitched, and often sudden sound that may be unpleasant to he
尖銳的
聲音高亢刺耳
making a loud, high-pitched, and often sudden sound that may be unpleasant to hear.
Amira covered her ears when she heard the sharp whistle from the factory.
Amira 聽到工廠傳來尖銳的哨聲，連忙捂住耳朵。
sharp whistle: loud, high-pitched sound
A sharp cry from the baby made everyone turn around.
嬰兒發出一聲尖銳的哭叫，所有人都轉過頭來。
The fire alarm let out a series of sharp beeps that echoed through the hallway.
火災警報器發出陣陣尖銳的嗶嗶聲，迴盪在走廊裡。
The old wooden floorboards made a sharp creak when Wren stepped on them.
Wren 踩到老舊的木地板時，地板發出尖銳的吱嘎聲。
- piercing
emphasises that the sound is uncomfortable or painful to hear
- shrill
specifically describes a high, unpleasant sound, often a voice or cry
- high-pitched
describes the frequency of the sound without the negative connotation
用法筆記
Usually appears before the noun (a sharp cry, a sharp whistle). Distinct from sense 13 (MUSIC NOTE) because it describes the general quality of a sound, not a specific pitch error in music.
11. describes cold weather, especially wind or frost, that feels very harsh and seem
刺骨的
天氣或寒風極度寒冷
describes cold weather, especially wind or frost, that feels very harsh and seems to cut into the skin.
A sharp wind blew through the streets, making everyone hurry indoors.
刺骨的寒風吹過街道，大家都趕緊躲進屋內。
sharp wind: very cold and biting wind
Théo pulled his scarf tighter to protect his face from the sharp frost.
Théo 把圍巾拉緊，保護臉部不受刺骨的寒霜侵襲。
The sharp cold of the morning made it hard to get out of bed.
清晨刺骨的寒冷讓人很難從被窩裡爬起來。
Cyrus could feel the sharp chill in the air as soon as he stepped outside.
Cyrus 一踏出門就感覺到空氣中刺骨的寒意。
用法筆記
Commonly pairs with wind, frost, cold, chill, and air. Not used for describing rain or snow.
12. skilled at using smart but tricky methods to get what you want, especially in bu
精明；狡猾
利用聰明手段為自己牟利，常帶欺騙性質
skilled at using smart but tricky methods to get what you want, especially in business or money matters, in a way that other people might consider unfair or dishonest.
Tomás used a sharp legal trick to make his competitor go out of business.
Tomás 用了一個精明的法律圈套，逼他的競爭對手倒閉。
collocation: sharp trick
Femi warned first-time home buyers about the sharp practices of some estate agents.
Femi 提醒首次購屋者，小心某些房仲業者的狡猾手段。
collocation: sharp practice (common fixed phrase)
A sharp trader talked an elderly couple into selling their house below its true value.
一名狡猾的仲介說服一對老夫妻以低於市價的價格賣掉他們的房子。
Yuki used a sharp tax method that no accountant at the firm had noticed.
Yuki 用了一種精明的節稅方法，連會計事務所的人都沒注意到。
Eitan lost his savings after he trusted a sharp financial advisor with a bad reputation.
Eitan 因為相信一位信譽不佳的狡猾理財專員，賠掉了畢生積蓄。
- honest
the opposite in terms of ethical behaviour
- guileless
lacking any cleverness aimed at personal gain; innocent
- straightforward
direct and honest in dealing with others
文法句型
sharp + noun (practice / customer / lawyer / trader)
sharp + noun (method / trick / tactic)
用法筆記
Often appears in fixed phrases such as 'sharp practice' (dishonest business methods) and 'sharp customer' (someone clever at getting what they want). This sense can be admiring (praising someone's shrewdness) or critical (implying dishonesty), depending on context and the noun it modifies.
常見錯誤
13. used when a musical note is played or sung at a pitch above what the sheet music
升音的
音高比正確音符偏高
used when a musical note is played or sung at a pitch above what the sheet music shows.
The pianist played a sharp C instead of the natural C written on the score.
鋼琴家彈了一個升 C 音，而不是樂譜上寫的本位 C 音。
sharp + musical note name: pitch a semitone higher
The second violinist sounded slightly sharp during the orchestra performance.
第二位小提琴家在樂團演奏時音偏高了一些。
Hiro's flute was in tune, but his duet partner kept going sharp on the high notes.
Hiro 的長笛音準沒問題，但他的二重奏夥伴在高音部分一直偏高。
The choir director told the sopranos that their final chord was sharp.
合唱團指揮告訴女高音部，她們最後的和弦音太高了。
- high
less precise; sharp specifically means above the correct pitch, not just any high note
- flat
below the correct pitch
用法筆記
Also used as a noun to refer to the symbol ♯. The opposite meaning (too low) is expressed by flat.
常見錯誤
sharp — 副詞
1. happening quickly and unexpectedly, often with a change in direction or an immed
突然；驟然
突然改變方向或動作
happening quickly and unexpectedly, often with a change in direction or an immediate stop
The driver pulled the wheel sharp left to avoid a cyclist who appeared from nowhere.
司機突然將方向盤往左猛打，以避開不知從哪冒出來的單車騎士。
sharp + direction (left/right/around)
Hyun stopped sharp when his name was called from behind.
Hyun 聽到有人從背後叫他的名字，突然停了下來。
stop + sharp (immediately/abruptly)
The path turned sharp right after the bridge, catching many walkers by surprise.
那條小路過了橋後突然向右急轉，讓不少健行者措手不及。
Christopher braked sharp when a dog ran across the road in front of his bike.
Christopher 猛然煞車，因為有隻狗跑到他的腳踏車前面。
- gradually
describes a slow, step-by-step change instead of a sudden one
文法句型
verb + sharp + [direction]
verb + sharp
用法筆記
This adverb always follows the verb it modifies and, when indicating direction, comes after the direction word (e.g., 'turn sharp left', NOT 'sharp turn left' or 'sharply turn left' for this sense).
常見錯誤
2. at an exact time, with no delay before or after, used to emphasise punctuality
準時地；整點
在指定時間準時
at an exact time, with no delay before or after, used to emphasise punctuality
Faisal arrived at eleven o'clock sharp, just as the meeting was about to begin.
Faisal 在十一點整抵達，會議正好要開始。
at + [time] + sharp
The last train leaves at midnight sharp, so do not be late.
最後一班火車在午夜十二點整發車，千萬別遲到。
Yara told the babysitter to be home at nine sharp without fail.
Yara 告訴保母務必在九點整到家。
The exam will begin at two o'clock sharp, so students must be in their seats by then.
考試將在兩點整開始，學生必須在此之前就座。
- roughly
indicates an approximate time instead of an exact one
文法句型
at + [time] + sharp
用法筆記
Always placed immediately after the time expression it specifies. 'Sharp' is almost always used with 'o'clock' times on the hour, though it occasionally appears with half-hour or quarter-hour times in informal speech.