knock
名詞
定義 knock 名詞
sound(声音)
- Countable(可数名词)
a sudden, short sound produced when something hits a surface
敲击声
A knock echoed from the front door.
前门传来一阵敲击声。
I heard a knock coming from upstairs.
我听到楼上传来敲击声。
She heard a soft knock on the window.
她听到窗户上传来轻轻的敲击声。
impact(撞击)
- Countable(可数名词)
the action of something hard hitting a person or object
重击；撞击
He received a hard knock from the ball.
他被球重重地击中了。
The knock caused an injury to his head.
这次撞击导致他的头部受伤。
She recovered from the knock but still felt a bit dizzy.
她从撞击中恢复过来，但仍然感到有点晕眩。
動詞
定義 knock 動詞
sound(声音)
- B1Intransitive(不及物动词)
to strike something repeatedly, creating a sound
（反复地）敲打，敲击
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.
他敲了三下门才进去。
The children enjoyed knocking each other with toy hammers.
孩子们喜欢用玩具锤子互相敲打。
- Intransitive(不及物动词)engineering(工程)specialized(专业)
to produce a repeated, high sound in an engine, due to improper fuel combustion or mechanical damage
（引擎）发出爆震声
The engine is knocking, indicating a potential issue.
引擎发出爆震声，表明可能存在问题。
If your engine starts knocking, it is best to get it checked.
如果你的引擎开始发出爆震声，最好去检查一下。
The car's engine began to knock at high speed.
汽车的引擎在高速行驶时开始发出爆震声。
- Intransitive(不及物动词)
to make a repeated, high sound, as a pipe might do
（管子等）发出碰撞声
The heating pipes were knocking all night.
暖气管整晚都在发出碰撞声。
The old house’s pipes often knock.
那栋老房子的管子经常发出碰撞声。
The pipes in the bathroom were making a faint knocking sound.
浴室里的管子发出微弱的碰撞声。
hit(敲打)
- B1Transitive(及物动词)Intransitive(不及物动词)Verb + adv/prep(动词+副词/介词)
to hit something, often forcefully, causing it to move or fall
碰撞；撞倒；击倒
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.
他绊倒时，头撞到了门。
He was knocked down by a speeding car.
他被一辆超速的车撞倒了。
criticism(批评)
- Transitive(及物动词)informal(非正式)
to criticize, especially unfairly
（非正式）批评；挑剔
Don't knock him; he has done his best.
不要批评他；他已经尽力了。
I know it's not perfect, but don't knock it.
我知道这并不完美，但不要挑剔。
She is always knocking other people’s work.
她总是批评别人的工作。
片語 knock 動詞
- knock through something
To remove the wall between two adjacent rooms, combining them into one larger room.
打通（两个）房间
• They are considering knocking through the kitchen and the dining room to create a spacious dining area.
他们正在考虑打通厨房和餐厅，以创造一个宽敞的用餐区。
成語
- Knock 'em dead!
Used to encourage someone to do their best and be very successful, especially in a performance or competition.
（用于鼓励他人）祝你表现出色！
• You have to knock 'em dead with your speech tonight!
你今晚的演讲一定要让他们惊艳！
- knock spots off something
To surpass something or someone else by a large margin in terms of quality or degree; to be significantly superior.
（在品质或程度上）远胜过，比...好得多
• This new cafe's coffee knocks spots off the one we usually go to.
这家新咖啡馆的咖啡比我们常去的那家好得多。
- knock the bottom out of something
To severely damage or undermine the foundation or support of something.
严重损害，尤其是破坏其支撐
• The scandal completely knocked the bottom out of the company's reputation.
丑闻彻底摧毁了这家公司的声誉。
- 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.
“别闹了！”妈妈对吵闹的孩子们说。
- knock something on the head
To decisively stop something from occurring or to bring something to a complete end.
阻止某事发生；或最终完成某事。
• We need to knock this plan on the head as soon as possible before it causes more damage.
我们需要尽快阻止这个计划，以免造成更多损害。
- knock someone sideways/for six
To severely shock or upset someone, or to cause someone to become very ill.
使（某人）感到震惊或极度不安；使（某人）生重病
• The news of her resignation knocked me sideways.
她辞职的消息让我感到震惊。
- 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（以避免呆运）
• I did well on this exam, knock on wood, and I hope the next one goes as smoothly.
我这次考试考得不错，敲敲木头，希望下次也能这么顺利。
- take/have a knock
to experience damage or setbacks due to an unfortunate event or negative experience.
因为不好的经验而遭受损害或挫折。
• His career took a knock after a series of failed investments.
他的职业生涯在一系列失败的投资后遭受打击。
- knock (some) sense into someone
To use forceful methods to make someone behave more reasonably or stop being foolish.
以强硬的方式使某人变得理智或不再愚蠢。
• He needs someone to knock some sense into him and make him see reason.
他需要有人来点醒他，让他明白道理。
- 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!
今晚用你的表演让他们惊艳，让他们惊叹不已！
- be knocking (on) 60, 70, etc.
to be very close to reaching a particular age, usually an older one
将近60、70等岁（通常指高齡）
• He still looks young, but he's actually knocking on 60.
他看起来还很年轻，但实际上已经快60岁了。
- 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将其带走的事件。
• Under that authoritarian regime, people lived in fear of the knock at the door in the middle of the night, followed by their abduction.
在那个威权政权下，人们生活在对半夜敲门声的恐惧中，担心随后会被绑架。
- knock someone's block off
To threaten to hit someone very hard, especially on the head.
猛打某人的头
• If he talks to me like that again, I'll knock his block off.
如果他再那样跟我说话，我就打爆他的头。
- 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.
敲门声；有时作为笑话的开场白。
• "Knock, knock!" "Who's there?" "Opportunity!" "I don't know, I've never heard it knock."
"咚咚咚！" "谁啊？" "机会！" "我不知道，我从没听过它敲门。"
- you could have knocked me down/over with a feather
Used to express that one is extremely surprised, shocked, or astounded by something.
震惊到极点
• When I found out I had won the lottery, you could have knocked me down with a feather.
当我发现自己中了彩票时，你简直可以用羽毛把我击倒。
片語動詞 knock
- knock back (something)
to swiftly consume a drink, particularly a significant amount of alcohol
猛喝；饮尽（尤指酒精饮料）
• They knocked back a few whiskeys at the party.
他们在派对上快速喝下了几杯威士忌。
- knock off (something)
to cease working, typically at the end of the day
结束（工作）；下班
• We knock off work every day at four o'clock.
我们每天四点下班。
- knock around
to relax and pass the time without doing much
闲时、放松
• I plan to knock around at home this weekend and just take it easy.
我计划这个周末在家放松一下，轻松度过。
- knock something out
to create something swiftly without much attention to detail
快速完成；匆忙制作
• She knocked out a report in just two hours.
她只花了两个小时就匆匆完成了一份报告。
- knock something down
to demolish a building or part of it
拆除；拆毁（如建筑物）
• The city council decided to knock down the old building.
市议会决定拆除这栋老建筑。
- knock yourself out
to render oneself unconscious, typically by striking the head
晕倒（常因碰撞头部）
• Be careful of that threshold, or you might knock yourself out by accidentally hitting your head.
小心那个门槛，否则你可能会不小心撞到头，让自己失去知觉。
- knock something off
to take something unlawfully
偷窃；行窃
• He knocked off some electronics from the store as if stealing them without a care.
他从店里偷了一些电子产品，好像毫不在意地行窃。
- knock up
In tennis or similar sports, players warm up by rallying the ball to each other before the game starts.
（网球等运动）赛前练习
• Before the match, players usually knock up to prepare themselves for the game.
比赛前，球员通常会先进行赛前试打，为比赛做好准备。
- 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.
因为某种情况而失去某种特质
• Under pressure, the artist's creativity was knocked out of him.
在压力下，艺术家的创造力被击垮了。
- knock someone out
to strike a person such that they lose consciousness.
击倒某人；使某人失去意识
• The boxer knocked out his opponent with a right hook.
拳击手用右勾拳击倒了对手。
- knock something together/up
to assemble or create something hastily and with little attention to detail
快速拼凑成；草率地做成
• He knocked together a presentation at the last minute, hardly having time to edit it.
他在最后一刻匆匆拼凑了一个简报，几乎没有时间编辑。
- knock someone back (something)
to require someone to pay a significant amount of money
使某人花费一大笔钱
• Buying a new car can knock you back quite a bit.
买一辆新车可能会让你花不少钱。
- knock around (something)
to remain in an unspecified or various locations, often over an extended period.
（某人长时间）四处漫游，闲逛；（某物长时间）放置在某个地方
• His old car has been knocking around in the garage for years.
他的旧车已经在车库里闲置好几年了。
- 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.
他经常在酒吧里殴打那些他认为不值得的人，真的对他们很粗暴。
- knock someone down
to strike a person with a vehicle, causing injury or fatality
（开车）把人撞倒
• The driver accidentally knocked the pedestrian down.
司机不小心撞倒了行人。
- knock someone/something down
to make someone or something fall by striking them
使跌倒；击倒
• The boxer knocked his opponent down in the first round.
拳击手在第一回合就击倒了他的对手。
- knock something off (something)
to subtract a specific amount from a price
扣除一定的数额（从价格中）
• If you buy this item today, I can knock fifty dollars off the price.
如果你今天购买这件商品，我可以从价格中扣除五十美元。
- knock someone off
to kill someone intentionally
谋杀；杀死；干掉（某人）
• The police suspect the criminal planned to knock off his rival.
警方怀疑这名罪犯计划干掉他的竞争对手。
- knock someone over
to collide with a person using a vehicle, causing injury or fatality
（车辆）撞倒（某人）
• The driver accidentally knocked over the pedestrian, causing serious injuries.
司机不小心撞到了行人，造成了严重的伤害。
- knock someone up
to rouse someone from sleep by knocking on their door
敲门唤醒某人
• He knocked me up in the morning to wake me up.
他早上敲门叫醒我。