Meaning: antiknock

n.
any of various compounds that are added to gasoline to reduce engine knocking
adj.
(of gasoline) containing tetraethyl lead

knock Idiom, Proverb

don't knock it

don't be negative, it could be worse """I only got a C for my report."" ""Don't knock it. I got a D."""

knock

criticize, put down Don't knock the teacher. She's trying to help us learn.

knock about

travel without a plan, go where one pleases We decided to go to Brazil and knock about for a couple of months.

knock against

(See the knock against)

knock around with

be friends with, hang around with Lynn used to knock around with us. She was our friend.

knock flat

knock down, knock over The flag pole was knocked flat - hit by a truck.

knock it off

stop doing something, quit Please knock it off. You are going to hurt yourself if you are not careful.

knock me over with a feather

I was very surprised, I could not believe it, blow me down When she told me she was married to my ex-husband, you could have knocked me over with a feather.

knock off

remove, kill One by one, the wolves were knocked off - shot by hunters.

knock off one

surprise or shock someone so much that they don't know what to do The singer's voice was so beautiful that I was nearly knocked off my feet.

knock on wood

knock on something made of wood to keep from having bad luck I don

knock one

hit someone very hard, beat someone up He was very angry and threatened to knock anyonewaste time trying to do something with no success They have been knocking their head against the wall for years trying to find a solution to the problem.

knock oneself out

make a great effort They really knocked themselves out trying to make the party successful.

knock out

hit a person until he is unconscious, out cold You punched him very hard. You knocked him out.

knock the living daylights out of someone

make someone unconscious The man knocked the living daylights out of his friend during the fight.

knock the wind out of his sails

cause him to slow down, cause him to quit, knock him down a peg (see knock you down a peg) If you tell him his letter is full of errors, you'll knock the wind out of his sails.

knock them down, drag them out

fighting, brawling, Donnybrook, no holds barred After the game, a few soccer fans began to fight. It was a knock-em-down-drag-em-out brawl.

knock up

become pregnant, in a family way She doesn't want to get knocked up, so she uses a contraceptive.

knock you down a peg

say you are too proud, put him in his place If you are too cocky, Don will knock you down a peg.

knock you out

amaze you, blow your mind You should see The Phantom of the Opera. It'll knock you out.

knock your socks off

surprise you, perform better than you expect This music will knock your socks off! It's rock and roll!

knocked out

eliminated from a competition or series Our team was knocked out during the semi-final games.

knockout

stunning appearance, beautiful body When Jackie wears that red party dress, she's a knockout.

school of hard knocks

ordinary experiences of life He learned all about life in the school of hard knocks.

the knock against

his worst fault, his main problem Phil is a great teacher. The only knock against him is his temper.

the school of hard knocks

life's hard lessons, learning from mistakes, roll with the punches "Teachers taught me what I should know; the school of hard knocks taught me what I must know."

the wolf knocking

(See the wolf is at the door)

knock boots

to have sex

knocka

a pest

knocking boots

to have sexual intercourse; the knock refers to the man's hips hitting the woman's ass, which produces a slapping sound. The motion litterally knocks her boots (buttocks): "Bring your friend, I likes you two's I'll knock the boots, the sneakers and the house shoes." -- Digital Underground (Flowing on the D-line [??])

knock about/around

1．travel without a plan； wander with no fixed aim漫游；无目的地游逛
After graduating from college，Joe knocked about for a year seeing the country before he went to work in his father's business．乔大学毕业后用一年时间周游全国，然后才去他父亲的商行上班。
He's not yet thirty， but he's knocked about the world a good deal．他还没到30岁，但已在世界上跑了不少地方。
He has been knocking about Africa most of his life．他已经在非洲旅行大半辈子了。
2．beat with the fists； mistreat physically or mentally拳打；虐待
The boxer knocked his opponent about all over the ring．拳击者把对方打得在拳击场上打转。
He knocks his wife about a bit．他有点虐待妻子。
He was often knocked about by the shop owner during his apprenticeship．他在学徒期间常常遭到店老板的虐待。
I wish they'd stop knocking their children about．希望他们别再虐待他们的孩子。
3．damage； knock continually and damage（furniture， decorations，etc．）破坏；不停地敲打以致破坏（家俱或装饰物）
The harvest was badly knocked about by the storm．由于那场暴风雨，庄稼的收成遭到了破坏。
I don't like the children playing in this room， for fear they knock the furniture about．我不喜欢孩子们在这房间里玩，怕他们把家俱弄坏。
4．lie about here and there；be found or seen； going about到处乱放；被找到；到处走动
That old thing has been knocking about the house for years．那件旧东西随便丢在家里已经好些年了。
The book is now out of print， but there are probably still copies of it knocking about in the libraries and bookshops．这本书已经绝版了，但在图书馆或书店也许还能找到几本。
There seem to be a lot of policemen knocking about in this district tonight．今晚在这地区似乎有许多警察到处巡逻。

knock around

knock away

knock repeatedly， as at a door不停地敲（门）
I've been knocking away for ages，but nobody has answered the door．我敲门敲了很长时间，可没人开门。

knock back

1．consume quickly迅速用光；喝光
He knocked back two double whiskies．他一口气喝光了两杯双料威士忌。
2．cost花费
How much did your new jacket knock you back？你那件新上装花多少钱买的？
That car must have knocked her back a few pounds！那辆轿车肯定花了她好些英镑！
3．shock； stun震惊
This unexpected news fairly knocked me back！这出人意料的消息使我颇为震惊！
This kind of news knocks you back a bit， doesn't it？这消息有点使你吃惊，是吗？

knock down

1．knock to the floor or ground击倒；击败
He knocked his opponent down．他击败了对手。
With one blow he knocked his assailant down．他一拳就把袭击他的人打倒在地。
2．strike and cause to fall撞倒
The girl was knocked down by a lorry as she ran across the road．这女孩在跑过马路时被卡车撞倒了。
He was knocked down by a car and was rushed to the hospital．他被汽车撞倒后，随即被送进医院。
3．signify the sale of an article at auction by a blow of the hammer 拍卖时击槌以示卖出
The picture was knocked down to me for ＄ 20 at an auction．这幅画在拍卖中以20美元卖给了我。
The auctioneer knocked the bureau down to a furniture dealer from York．拍卖人把那张写字台卖给约克的一个家俱商。
A mahogany table was knocked down for five pounds．一张桃花心木桌以5英镑的价钱卖出去了。
4．compel sb． to lower the price of 迫使减价；压价
He asked ＄500 for his car， but I managed to knock him down by 10percent．他出价 500美元卖他的车子，但我竭力使他减价10％。
The price was knocked down to ￡5．价格降低到了5镑。
The storekeeper decided to knock down his remaining winter stock．店主决定将剩余的冬季存货减价出售。
5．take apart in handling or transportation拆散；拆零（以便装运）
London Bridge was knocked down stone by stone and rebuilt in the middle of a desert in the United States．伦敦大桥被一块石头一块石头地拆除了，重新安装在美国的一片沙漠中心。
We knocked down the bookcase and packed them in the car．我们将书橱拆散装进汽车。
6．tear down； demolish拆毁；拆除
These old houses will be knocked down to make room for a stadium．这些旧房子将被拆除，以腾出地方来造一座体育馆。
We are going to knock down those old buildings．我们不久就要拆除那些旧建筑物。
7．embezzle money from one's employer盗用雇主之钱
He knocked down plenty of the cash without being caught．他盗用了不少现金，未被发觉。
8．receive，as a salary or a scholastic grade； earn挣得（薪金）；获得（分数）
He knocks down about ＄12，000 a year．他一年大约赚1万2千美元。
9．call upon要求
The chairman knocked her down for a song．主席要求她唱一支歌。
10．cause（a sailing vessel） to heel，as by a gust of wind，to such a degree that it cannot right itself （风）使船倾斜
Lower the sail or the boat will be knocked down．把帆放下来，否则船会被风吹翻的。

knock off sb's feet

surprise sb． so much that he does not know what to do使人惊慌失措
When Charlie was given the prize，it knocked him off his feet．当向查理授奖时，他不知所措。

knock on

continue working继续工作
Let's knock on for another．让我们再干一个小时吧。

knock over

1．strike from an erect to a prone position把…打翻；打倒
He knocked the thief over with one blow．他一拳将小偷打翻在地。
Carelessly， I knocked my teacup over and the tea went all over the table cloth．我不小心把茶杯打翻了，台布上全是茶。
2．upset；distress使心烦意乱；使痛苦
The family was completely knocked over at the news．一家人都被这个消息搅得心烦意乱。
3．get rid of去掉
They knocked over a lot of difficulties and succeeded at last．他们克服了许多困难，最后终于成功了。
4．get through with完成；办完
He knocked over his exercises in half an hour．他在半小时内完成了作业。
5．steal； rob偷；抢
These gangsters are experienced in knocking over banks．这些匪徒对抢劫银行是很老练的。

knock up against

meet by chance巧遇；偶然碰到
I knocked up against my former teacher in the town this morning．今天早上在城里我遇见了我从前的那位老师。
I didn't expect to knock up against so many difficulties when I started on this subject．我没有料到这项目一开始就遇上了这么多的困难。

knock-down-drag-out fight

Idiom(s): knock-down-drag-out fight

Theme: FIGHTING

a serious fight; a serious argument. (Folksy.)
• Boy, they really had a knock-down-drag-out fight.
• Stop calling each other names, or you're going to end up with a real knock-down-drag-out fight.

knock the props out from under

Idiom(s): knock the props out from under sb

Theme: SHOCK

to destroy someone's emotional, financial, or moral underpinnings; to destroy someone's confidence.
• When you told Sally that she was due to be fired, you really knocked the props out from under her.
• I don't want to knock the props out from under you, but the bank is foreclosing on your mortgage.

knock sth off

Idiom(s): knock sth off

Theme: COMPLETION

to finish something, especially in haste or carelessly. (Slang.)
• I knocked it off with the help of Bob.
• I knocked off the last chapter of my book in four hours.

knock sth down

Idiom(s): knock something down AND knock something back

Theme: DRINKING

to drink down a drink of something, especially something alcoholic.(Slang.)
• I don't see how he can knock that stuff down.
• John knocked back two beers in ten minutes.

knock some heads together

Idiom(s): knock some heads together

Theme: MOTIVATION

to motivate people; to make people to do what they are supposed to be doing. (Slang.)
• If you kids don't quiet down and go to sleep, I'm going to come up there and knock some heads together.
• The government is in a mess. We need to go to Washington and knock some heads together.

knock one's block off

Idiom(s): knock one's block off

Theme: ATTACK

to strike someone hard, especially in the head. (Slang.)
• If you touch me again, I'll knock your block off.
• John punched Bob so hard that he almost knocked his block off.

knock sb over with a feather

Idiom(s): knock sb over with a feather

Theme: SHOCK

to push over a person who is stunned, surprised, or awed by something extraordinary. (Folksy.)
• I was so surprised you could have knocked me over with a feather.
• When she heard the news, you could have knocked her over with a feather.

knock sb out cold

Idiom(s): knock sb out (cold)

Theme: ATTACK

to knock someone unconscious. (Informal.)
• The blow knocked the boxer out cold.
• The attacker knocked the old man out cold.

knock sb out

Idiom(s): knock sb out

Theme: AMAZING

to overwhelm someone. (Someone includes oneself.)
• The had news really knocked me out.
• Her story was great. It just knocked me out cold!

knock sb dead

Idiom(s): knock sb dead

Theme: AMAZING

to put on a stunning performance or display for someone. (Informal. Someone is often replaced by 'em from them.)
• This band is going to do great tonight. We're going to knock them dead.
• "See how your sister is all dressed up!" said Bill. "She's going to knock 'em dead."

knock off work

Idiom(s): knock off work

Theme: STOP

to quit work (for the day). (Informal.)
• It's time to knock off work.
• It's too early to knock off work.