knock
noun
Definitions of knock noun
sound(聲音)
- Countable(可數名詞)
a sudden, short sound produced when something hits a surface
敲擊聲
A knock echoed from the front door.
前門傳來一陣敲擊聲。
I heard a knock coming from upstairs.
我聽到樓上傳來敲擊聲。
She heard a soft knock on the window.
她聽到窗戶上傳來輕輕的敲擊聲。
impact(撞擊)
- Countable(可數名詞)
the action of something hard hitting a person or object
重擊；撞擊
He received a hard knock from the ball.
他被球重重地擊中了。
The knock caused an injury to his head.
這次撞擊導致他的頭部受傷。
She recovered from the knock but still felt a bit dizzy.
她從撞擊中恢復過來，但仍然感到有點暈眩。
verb
Definitions of knock verb
sound(聲音)
- B1Intransitive(不及物動詞)
to strike something repeatedly, creating a sound
（反覆地）敲打，敲擊
She knocked on the table to get everyone's attention.
她敲了敲桌子以引起大家的注意。
He knocked three times on the door before entering.
他敲了三下門才進去。
The children enjoyed knocking each other with toy hammers.
孩子們喜歡用玩具錘子互相敲打。
- Intransitive(不及物動詞)engineering(工程)specialized(專業)
to produce a repeated, high sound in an engine, due to improper fuel combustion or mechanical damage
（引擎）發出爆震聲
The engine is knocking, indicating a potential issue.
引擎發出爆震聲，表明可能存在問題。
If your engine starts knocking, it is best to get it checked.
如果你的引擎開始發出爆震聲，最好去檢查一下。
The car's engine began to knock at high speed.
汽車的引擎在高速行駛時開始發出爆震聲。
- Intransitive(不及物動詞)
to make a repeated, high sound, as a pipe might do
（管子等）發出碰撞聲
The heating pipes were knocking all night.
暖氣管整晚都在發出碰撞聲。
The old house’s pipes often knock.
那棟老房子的管子經常發出碰撞聲。
The pipes in the bathroom were making a faint knocking sound.
浴室裡的管子發出微弱的碰撞聲。
hit(敲打)
- B1Transitive(及物動詞)Intransitive(不及物動詞)Verb + adv/prep(動詞+副詞/介詞)
to hit something, often forcefully, causing it to move or fall
碰撞；撞倒；擊倒
She accidentally knocked over the coffee cup.
她不小心打翻了咖啡杯。
He knocked his head on the door as he tripped.
他絆倒時，頭撞到了門。
He was knocked down by a speeding car.
他被一輛超速的車撞倒了。
criticism(批評)
- Transitive(及物動詞)informal(非正式)
to criticize, especially unfairly
（非正式）批評；挑剔
Don't knock him; he has done his best.
不要批評他；他已經盡力了。
I know it's not perfect, but don't knock it.
我知道這並不完美，但不要挑剔。
She is always knocking other people’s work.
她總是批評別人的工作。
Phrases of knock verb
- knock through something
To remove the wall between two adjacent rooms, combining them into one larger room.
打通（兩個）房間
• They are considering knocking through the kitchen and the dining room to create a spacious dining area.
他們正在考慮打通廚房和餐廳，以創造一個寬敞的用餐區。
Idioms
- Knock 'em dead!
Used to encourage someone to do their best and be very successful, especially in a performance or competition.
（用於鼓勵他人）祝你表現出色！
• You have to knock 'em dead with your speech tonight!
你今晚的演講一定要讓他們驚艷！
- knock spots off something
To surpass something or someone else by a large margin in terms of quality or degree; to be significantly superior.
（在品質或程度上）遠勝過，比...好得多
• This new cafe's coffee knocks spots off the one we usually go to.
這家新咖啡館的咖啡比我們常去的那家好得多。
- knock the bottom out of something
To severely damage or undermine the foundation or support of something.
嚴重損害，尤其是破壞其支撐
• The scandal completely knocked the bottom out of the company's reputation.
醜聞徹底摧毀了這家公司的聲譽。
- knock it off
Used to tell someone to stop doing something annoying.
停止！(非正式)
• "Knock it off!" Mom said to the noisy children.
「別鬧了！」媽媽對吵鬧的孩子們說。
- knock something on the head
To decisively stop something from occurring or to bring something to a complete end.
阻止某事發生；或最終完成某事。
• We need to knock this plan on the head as soon as possible before it causes more damage.
我們需要盡快阻止這個計劃，以免造成更多損害。
- knock someone sideways/for six
To severely shock or upset someone, or to cause someone to become very ill.
使（某人）感到震驚或極度不安；使（某人）生重病
• The news of her resignation knocked me sideways.
她辭職的消息讓我感到震驚。
- knock on wood
A phrase used to express the desire to avoid bad luck, typically when referring to past good fortune or expressing hopes for the future.
祷告上天（以避免呆運）
• I did well on this exam, knock on wood, and I hope the next one goes as smoothly.
我這次考試考得不錯，敲敲木頭，希望下次也能這麼順利。
- take/have a knock
to experience damage or setbacks due to an unfortunate event or negative experience.
因爲不好的經驗而遭受損害或挫折。
• His career took a knock after a series of failed investments.
他的職業生涯在一系列失敗的投資後遭受打擊。
- knock (some) sense into someone
To use forceful methods to make someone behave more reasonably or stop being foolish.
以強硬的方式使某人變得理智或不再愚蠢。
• He needs someone to knock some sense into him and make him see reason.
他需要有人來點醒他，讓他明白道理。
- knock 'em dead!
Used to encourage or wish someone to perform or do something as well as possible.
加油！
• Knock 'em dead tonight with your performance, and wow them!
今晚用你的表演讓他們驚豔，讓他們驚嘆不已！
- be knocking (on) 60, 70, etc.
to be very close to reaching a particular age, usually an older one
將近60、70等歲（通常指高齡）
• He still looks young, but he's actually knocking on 60.
他看起來還很年輕，但實際上已經快60歲了。
- the knock at/on the door
An instance of law enforcement or military personnel arriving at a person's residence to take them into custody.
指警察或士兵到某人家中將其帶走的事件。
• Under that authoritarian regime, people lived in fear of the knock at the door in the middle of the night, followed by their abduction.
在那個威權政權下，人們生活在對半夜敲門聲的恐懼中，擔心隨後會被綁架。
- knock someone's block off
To threaten to hit someone very hard, especially on the head.
猛打某人的頭
• If he talks to me like that again, I'll knock his block off.
如果他再那樣跟我說話，我就打爆他的頭。
- knock, knock!
This phrase is used to imitate the sound of someone knocking on a door. It's often used as the opening line of a joke.
敲門聲；有時作為笑話的開場白。
• "Knock, knock!" "Who's there?" "Opportunity!" "I don't know, I've never heard it knock."
"咚咚咚！" "誰啊？" "機會！" "我不知道，我從沒聽過它敲門。"
- you could have knocked me down/over with a feather
Used to express that one is extremely surprised, shocked, or astounded by something.
震驚到極點
• When I found out I had won the lottery, you could have knocked me down with a feather.
當我發現自己中了樂透時，你簡直可以用羽毛把我擊倒。
Phrasal Verbs of knock
- knock back (something)
to swiftly consume a drink, particularly a significant amount of alcohol
猛喝；飲尽（尤指酒精飲料）
• They knocked back a few whiskeys at the party.
他們在派對上快速喝下了幾杯威士忌。
- knock off (something)
to cease working, typically at the end of the day
結束（工作）；下班
• We knock off work every day at four o'clock.
我們每天四點下班。
- knock around
to relax and pass the time without doing much
閒時、放鬆
• I plan to knock around at home this weekend and just take it easy.
我計劃這個週末在家放鬆一下，輕鬆度過。
- knock something out
to create something swiftly without much attention to detail
快速完成；匆忙製作
• She knocked out a report in just two hours.
她只花了兩個小時就匆匆完成了一份報告。
- knock something down
to demolish a building or part of it
拆除；拆毀（如建築物）
• The city council decided to knock down the old building.
市議會決定拆除這棟老建築。
- knock yourself out
to render oneself unconscious, typically by striking the head
昏倒（常因碰撞頭部）
• Be careful of that threshold, or you might knock yourself out by accidentally hitting your head.
小心那個門檻，否則你可能會不小心撞到頭，讓自己失去知覺。
- knock something off
to take something unlawfully
偷竊；行竊
• He knocked off some electronics from the store as if stealing them without a care.
他從店裡偷了一些電子產品，好像毫不在意地行竊。
- knock up
In tennis or similar sports, players warm up by rallying the ball to each other before the game starts.
（網球等運動）賽前練習
• Before the match, players usually knock up to prepare themselves for the game.
比賽前，球員通常會先進行賽前試打，為比賽做好準備。
- knock something out of someone
When a particular trait is taken away from someone, it is due to circumstances that prevent the trait from being maintained.
印為某種情境而失去某種特質
• Under pressure, the artist's creativity was knocked out of him.
在壓力下，藝術家的創造力被擊垮了。
- knock someone out
to strike a person such that they lose consciousness.
擊倒某人；使某人失去意識
• The boxer knocked out his opponent with a right hook.
拳擊手用右勾拳擊倒了對手。
- knock something together/up
to assemble or create something hastily and with little attention to detail
快速拼湊成；草率地做成
• He knocked together a presentation at the last minute, hardly having time to edit it.
他在最後一刻匆匆拼湊了一個簡報，幾乎沒有時間編輯。
- knock someone back (something)
to require someone to pay a significant amount of money
使某人花費一大筆錢
• Buying a new car can knock you back quite a bit.
買一輛新車可能會讓你花不少錢。
- knock around (something)
to remain in an unspecified or various locations, often over an extended period.
（某人長時間）四處漫遊，閒逛；（某物長時間）放置在某個地方
• His old car has been knocking around in the garage for years.
他的舊車已經在車庫裡閒置好幾年了。
- knock someone around
to treat someone abusively by engaging in violent behavior and physically striking them
暴打，虐打
• He often knocks around those he considers unworthy in the bar, truly treating them abusively.
他經常在酒吧裡毆打那些他認為不值得的人，真的對他們很粗暴。
- knock someone down
to strike a person with a vehicle, causing injury or fatality
（開車）把人撞倒
• The driver accidentally knocked the pedestrian down.
司機不小心撞倒了行人。
- knock someone/something down
to make someone or something fall by striking them
使跌倒；擊倒
• The boxer knocked his opponent down in the first round.
拳擊手在第一回合就擊倒了他的對手。
- knock something off (something)
to subtract a specific amount from a price
扣除一定的數額（從價格中）
• If you buy this item today, I can knock fifty dollars off the price.
如果你今天購買這件商品，我可以從價格中扣除五十美元。
- knock someone off
to kill someone intentionally
謀殺；殺死；幹掉（某人）
• The police suspect the criminal planned to knock off his rival.
警方懷疑這名罪犯計劃幹掉他的競爭對手。
- knock someone over
to collide with a person using a vehicle, causing injury or fatality
（車輛）撞倒（某人）
• The driver accidentally knocked over the pedestrian, causing serious injuries.
司機不小心撞到了行人，造成了嚴重的傷害。
- knock someone up
to rouse someone from sleep by knocking on their door
敲門喚醒某人
• He knocked me up in the morning to wake me up.
他早上敲門叫醒我。