v. 敲，碰; 打通; 把…撞击成（某个状态）; 打破; （心）怦怦跳，（膝盖）打哆嗦; 发碰撞声; 批评; 打球
n. 敲击声; 撞击
If you knock on something such as a door or window, you hit it, usually several times, to attract someone's attention.
She went directly to Simon's apartment and knocked on the door...
Knock at my window at eight o'clock and I'll be ready...
If you knock something, you touch or hit it roughly, especially so that it falls or moves.
She accidentally knocked the tea tin off the shelf...
The baby was knocked from his father's arms...
If someone knocks two rooms or buildings into one, or knocks them together, they make them form one room or building by removing a wall.
They decided to knock the two rooms into one...
The spacious kitchen was achieved by knocking together three small rooms.
To knock someone into a particular position or condition means to hit them very hard so that they fall over or become unconscious.
The third wave was so strong it knocked me backwards...
They were knocked to the ground and robbed of their wallets...
To knock a particular quality or characteristic out of someone means to make them lose it.
The stories of his links with the actress had knocked the fun out of him...
When they first joined for training many were starry eyed about just sailing around the world. We soon knocked that out of them...
If something knocks, it makes a repeated sharp banging noise.
His old truck, knocking and smoking, pulled down the road and out of sight.
If you knock something or someone, you criticize them and say unpleasant things about them.
I'm not knocking them: if they want to do it, it's up to them...
Never knock charter flights; they are opening up the world for budget-conscious travellers.
If someone receives a knock, they have an unpleasant experience which prevents them from achieving something or which causes them to change their attitudes or plans.
What they said was a real knock to my self-confidence...
The art market has suffered some severe knocks during the past two years.
To knock them dead means to impress people a great deal, especially with your appearance.
Glamorous make-up is best reserved for days when you want to go all out to knock 'em dead.
If you tell someone to knock it off, you are telling them to stop doing something that is annoying you.
Will you just knock it off!
1. the sound of knocking (as on a door or in an engine or bearing);
2. negative criticism
3. a vigorous blow;
4. a bad experience;
5. the act of hitting vigorously;
1. deliver a sharp blow or push :"He knocked the glass clear across the room"
2. rap with the knuckles;
3. knock against with force or violence;
4. make light, repeated taps on a surface;
5. sound like a car engine that is firing too early;
6. find fault with; express criticism of; point out real or perceived flaws;
knock, tap, rap, pat
knock around 或 knock about
knock back 【非正式用语】
knock someone's block off
knock the bottom out of
knock someone dead
knock someone for six
knock people's heads together
knock something into a cocked hat
knock someone into the middle of next week
Tell me where you've been out so late, or I'll knock your block off.
What time do you knock off?
I can knock off a poem in half an hour.
You've been whistling that same tune all morning. Knock it off, will you?
整个上午你说来说去都是老一套, 别再讲了, 好不好?
Why wa ste valuable teaching time trying to knock in a list of facts, if the children aren't interested?
既然孩子们对罗列的事实不感兴趣,为什么要浪费宝贵的教学时间强行塞给他们 呢 ?