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BNC: 1958 COCA: 2087

knock

Word family 
knock1 /nɒk $ nɑːk/ ●●● S1 W3 verb  
1  door 门 [intransitiveI]HIT to hit a door or window with your closed hand to attract the attention of the people inside 敲门[窗]
 I knocked and knocked but nobody answered.
我把门敲了又敲，但无人回应。
knock at/on
 We knocked at the door but there was no one there.
我们敲了门，但里面没人。
 Wilson went up and knocked on the door.
威尔逊走上前去敲门。
► see thesaurus at hit
2  hit and move STH 碰撞并移动某物 [transitiveT always + adverbadv/prepositionprep]HIT/BUMP INTO to hit something with a short quick action so that it moves or falls 碰撞；碰倒，撞倒
knock something out of/from something
 As I got up, I knocked a pencil out of its holder.
我站起来时，碰掉了笔架上的一支铅笔。
 He knocked the knife from my hand.
他打落我手中的刀。
knock something over
 At that moment, Sally knocked over her glass of wine.
就在那时，萨莉把她那杯酒碰翻了。
knock something aside
 She tried to knock the gun aside but she was not fast enough.
她试图把枪推开，但来不及了。
3  hit SB hard 猛击某人 [transitiveT always + adverbadv/prepositionprep] to hit someone very hard 猛击
 He knocked her to the ground and kicked her.
他把她打倒在地，还踢她。
knock somebody unconscious/cold/senseless (=hit someone so hard that they fall unconscious) 击昏某人
 Simon could knock a man unconscious with one punch to the jaw.
西蒙往人下巴上打一拳就能把人击昏。
 Garry answered the door only to be knocked flying as two policemen came rushing in.
加里去开门，结果被冲进来的两名警察撞出老远。
4  hit part of your body 撞击身体的某一部位 [transitiveT] to hit something with part of your body 〔用身体的某部位〕撞，敲，击
knock something against something
 Morse knocked his shin against a suitcase that had been left just inside the door.
莫尔斯胫部撞到了横在门内的手提箱上。
knock something on something
 She knocked her head on a stone.
她的头碰到了石头上。
5  knock on doors to go to every house or apartment in an area asking the people who live there for information or support 〔为获取信息或寻求帮助〕挨家挨户敲门
 Gathering that information means knocking on doors and asking people questions.
收集那样的信息就意味着要挨家挨户敲门，向人们提问题。
Examples from the Corpus
knock on doors• All I've done since seems to be walk around and knock on doors.• And gathering that information means knocking on doors and asking people questions.• As a young girl I volunteered to knock on doors and enrol pets in the Tailwaggers Club.• I could go up to Albany and knock on doors, and I could almost always get in.• Landlords knocking on doors, demanding money.• She sent Talivaldis to the store for a large loaf of Wonder Bread and knocked on doors, issuing invitations.• Peter: Well, cause trouble, you know; play knocking on doors, throw stones at windows and that.
6  be knocking on the door to be wanting to join a group or team – used in news reports 要求加入某团体[小组]〔用于新闻报道中〕
 Five countries have permanent seats on the UN Security Council, but Germany and Japan, among others, are knocking on the door.
有五个国家拥有联合国安理会常任理事国席位，但包括德国、日本在内的其他国家也要求加入进来。
Examples from the Corpus
be knocking on the door• But a kiss denied, for Phillis was knocking on the door.• Soon Pugwash was knocking on the door.
7  remove wall 把墙拆毁 [transitiveT] to remove a wall or part of a building in order to make a bigger room or space 拆除…的墙，打通
knock something into something
 We could make a bigger living space by knocking two rooms into one.
我们可以把两个房间打通，增大客厅空间。
knock something through
 The wall between the kitchen and the dining room has been partially knocked through.
厨房和饭厅之间的墙已被部分打通。
8  knock a hole in/through something to make a hole in something, especially a wall 在某物〔尤指墙〕上打洞
 We could knock a hole through the wall into the cupboard.
我们可以在墙壁上打个洞通到壁橱里。
9  criticize 批评 [transitiveT]CRITICIZE to criticize someone or their work, especially in an unfair or annoying way 挑剔，非难，无端指责
10  ball 球 [transitiveT always + adverbadv/prepositionprep]KICKHIT to kick or hit a ball somewhere 踢〔球〕；击〔球〕，打〔球〕
11  knock somebody for six British EnglishBrE informal to shock or upset someone very much or make them physically weak 使某人大为震惊[担心]；使某人浑身无力
Examples from the Corpus
knock somebody for six• He'd done it again, she realised in amazement - with just a few choice words he'd knocked her for six.
12  knock the stuffing out of somebody informalCONFIDENT to make someone lose their confidence 使某人气馁
13  knock somebody sideways British EnglishBrE to upset someone so much that it is difficult for them to deal with something 使某人目瞪口呆，使某人不知所措
14  knock some sense into somebody/into somebody’s head informalSENSIBLE to make someone learn to behave in a more sensible way 让某人汲取教训/懂事一些
Examples from the Corpus
knock some sense into somebody/into somebody’s head• Maybe getting arrested will knock some sense into him.
15  knock (somebody’s) heads together informalANGRY to tell people who are arguing that they must stop and behave more sensibly 制止(某人)争吵，使(某人)恢复理智
Examples from the Corpus
knock (somebody’s) heads together• If you two don't stop yelling at each other, I'll knock your heads together!• He caught hold of the two nearest him and knocked their heads together, kicked two more and grabbed the ringleaders.• She'd just box a few ears, knock a few heads together like she did with the Rattries, and chase them off.
16  knock something on the head British EnglishBrE informalPREVENT to stop something happening 阻止某事发生
Examples from the Corpus
knock something on the head• Fortunately they didn't knock me on the head or anything which they could have done, couldn't they?
17  knock somebody’s socks off  (also knock somebody dead) spokenSURPRISEDHAPPY to surprise and please someone by being very impressive 令某人又惊又喜
Examples from the Corpus
knock somebody’s socks off• Cierra's performance knocked my socks off!• And yet the correlations just knock my socks off..• This in-your-face marketing could be forgiven if the food absolutely knocked your socks off.• The current crop of non-Windows databases can knock the socks off their predecessors.
18  knock somebody off their pedestal/perch to stop admiring someone that you previously thought was perfect 使某人不再受崇拜，使某人威信扫地
19  knock spots off somebody/something British EnglishBrE spokenBETTER to be much better than someone or something 比某人/某物强得多，远远胜过某人/某物
Examples from the Corpus
knock spots off somebody/something• It certainly knocks spots off anything attempted by the newly-Thatcherising Conservatives in the run-up to the 1979 election.
20. knock on wood American EnglishAmE used to say that you hope your good luck so far will not change 但愿好运持续 SYN British English touch wood
Examples from the Corpus
knock on wood• I haven't had a cold all winter, knock on wood.• Hopefully, knock on wood, Lieby is going to be in there most of the time.• Always ready to knock on wood, throw salt over my shoulder, bite my tongue, cross my fingers.• KineHUHre is used as a verbal device similar to knocking on wood to ward off evil forces.
21. knock it off spokenSTOP DOING something used to tell someone to stop doing something, because it is annoying you 〔因受干扰而叫某人〕停下来
Examples from the Corpus
knock it off• And, how was it, no, if they knocked it off.• I knocked it off as I ran past.• The following day we could knock it off in few hours before returning to base.• You kids, knock it off in there!• No, you didn't have to knock it off you had to choose thingies on a card.
22. make a noise 发出噪声 [intransitiveI]SOUND if an engine or pipes etc are knocking, they make a noise like something hard being hit, usually because something is wrong with them 〔发动机、管道等因故障而〕发出爆震[碰撞]声
23. heart 心脏 [intransitiveI] if your heart is knocking, it is beating hard, especially because you are afraid 〔心〕怦怦跳〔尤因害怕〕 SYN pound
24  I’ll knock your head/block off spoken used when threatening to hit someone very hard 我要好好揍你一顿
25  knock the bottom out of something informalCHEAPREDUCE to make something such as a market or industry fail suddenly 使〔市场或行业等〕骤然疲软[不景气]
Examples from the Corpus
knock the bottom out of something• A recession would knock the bottom out of corporate profits.
→ knock/beat somebody/something into a cocked hat at cocked hat(1), → knock somebody into shape at shape1(3), → knees knocking (together) at knee1(4) PHRASAL VERBS
Examples from the Corpus
knock• Cheap gasoline will make your engine knock.• I waited a moment, then knocked again.• The heavy video camera knocked against his hip as he walked.• Lula knocked at the back door and he appeared, dressed in pyjamas.• After I had rung several more times and knocked at the door, I heard hesitant footsteps.• Would you mind knocking before you come in?• You should knock before you come in.• Yet no one who knew the man disputes that Robey might well have knocked down the self-proclaimed king of rock & roll.• Some movie reviewers seem to knock every picture they see.• It's hard to knock Gordon because he always works so hard.• It was a pity perhaps that the car had not knocked her down.• I looked around and I hit her such a bloody fourpenny one that I knocked her flying.• Critics knocked his latest film for its portrayal of women.• She turned and ran, knocking into bystanders as she went.• Hey, don't knock it! It's the only suit I've got!• She knocked me with her elbow as she passed.• 'Mattie?' called Jerry, knocking on the door.• Even knock out a mouthful of teeth?• But former boxing world champion Barry McGuigan was knocked out of the event with a blown engine on his Vauxhall Nova.• And he pushed Philip, knocking the polythene bag of grain out of his hand.• One of the movers knocked the sofa against a doorway.
knock at/on• I knocked at Florence's door.• Suddenly I heard a violent and repeated knocking at my window.• While Greg waited on the landing she knocked on one of the bedroom doors.• I think somebody's knocking at the door.• I walked into the house, and just as I put down my bags, there was a knock at the door.• I knocked at the first house, wanting to ask if I could sleep in the courtyard.• I was waiting for him to knock on the front door, I guess, and just say, Here I am.• He went to her house and knocked on the green door.• A knock on the slightly open door woke him only minutes later.
knock something out of/from something• It was like a bolt of lightning knocked me out of bed and threw me to the floor.• It had knocked the breath out of him when it hit.• There were times he ran the ball, we should have knocked the hell out of him.• Then I came across a line in my property law textbook that nearly knocked me out of my seat.• The shooting has already knocked him out of the playoffs.
knocked flying• Six-year-old Garry answered it, only to be knocked flying as two policemen came crashing in.
knock2 ●●○ noun  
1  [countableC]SOUND the sound of something hard hitting a hard surface 敲击声，碰撞声
2  [countableC]HIT the action of something hard hitting your body 撞击
3  take a knock informalUNLUCKYPROBLEM to have some bad luck or trouble 倒霉，遇到麻烦
Examples from the Corpus
take a knock• The 23-year-old was on as early as the eighth minute when Andy Myers hobbled off after taking a knock.• Your faith in yourself has taken a knock.• Micky Hazard took a knock at Newcastle and will have a late check.• Skipper, Andy Melville took a knock last Saturday, but should be fit.• Wallace took a knock and looked like he was ready to come off after about 75 mins.
Examples from the Corpus
knock• I had just turned out the lights when I heard a knock at the door.• And this man ensconced in his warm living room with a fireplace hears a knock at the door.• There's a knock on the door.• There was a knock at the door.• If that happened, however, confidence would take another knock.• We were woken by a frantic knocking at the door.• Tatica will have to pound hard with strength she does not have so her knock will be heard.• Within the legal container of marriage, the idealization and illusion so characteristic or the in-love state can take a nasty knock.• The only knock against Whitney is his defensive playing.
From Longman Business Dictionary
knockknock1 /nɒknɑːk/ verb [transitiveT]
1FINANCE if something knocks the price of shares, stocks etc, the price changes very quickly and unexpectedly
Talk of easing the US credit policy knocked prices higher in light trade.
Its shares were knocked by the Kuwait Investment’s Office’s decision to sell 10% of its stake.
2knock on/at the door to make it clear that you want to join something or want help from someone
A number of countries are knocking at the European Union’s door.
→ knock something → down
→ knock something off (something)
→ knock something → out
knockknock2 noun [countableC]
something which suddenly makes a product fail or makes prices fall
The US is likely totake a series of knocks from discounting in the car market.
a 612-point knock to the FTSE-index
Origin knock1
Old English cnocian
knock1 verb
→10-25
→20-25

→PHRASAL VERBS1knock2 noun
Chinese
Corpus

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