Knock about/around
闲呆着；悠闲地打发时间
Irene usually spends the weekend just knocking around the house.
艾琳通常整个周末都只是在家里闲呆着。
拳打脚踢; 粗暴对待
He used to knocked his wife and son about.
他过去经常打他的妻子和儿子。
闲逛；漫游；漂泊
I like to knock around the farm on weekends.
周末我喜欢在农场里闲逛。
Knock back
使大吃一惊
Hearing the unexpected news really knocked him back.
听到这个意外的消息，真的使他大吃一惊。
使花费
The new car knocked him back a lot of money.
这辆新车花了他很多钱。
Knock down
拆掉 (建筑物等)； 拆卸
That old quadrangle courtyard was knocked down by some people.
那个古老的四合院被一些人拆毁了。
打倒，击倒；撞倒
He carelessly knocked the child down.
他不小心把孩子撞倒了。
获得；赚得
He knocked down more than two hundred thousand dollars last year.
去年他赚了二十多万美元。
降低（价格）
She was a good bargainer. She knocked down the price from $100 to $50.
她太会讲价了。她把价格从100美元讲到50美元。
Knock off
停止工作；休息；下班
I really hope I could knock off early today.
我真希望今天早点下班。
减掉; 降低（价格）
The shopkeeper knocked 10 dollars off the price.
店主把价格降低了10美元。
碰掉，敲掉；撞倒
His daughter accidentally knocked a cup of coffee off.
他女儿不小心撞倒了一杯咖啡。
拘捕；捉住
That taxi driver was knocked off by the police.
那个出租车司机被警察拘捕了。
Knock it off!
别说了！
Knock out
淘汰
Morocco got knocked out in the World Cup yesterday.
昨天摩洛哥队在世界杯上被淘汰出局。
击昏；使不省人事
He was knocked out by the basketball.
他被篮球打昏了。
给...深刻印象；使震惊
This film knocked them out.
这部电影给他们留下来深刻的印象。
Knock over
撞倒，击倒；打翻
The old man got knocked over by a bus.
那个老人被公共汽车撞倒了。
偷，抢，抢劫
The jewelry store opposite the bank was knocked over last night.
银行对面的那家珠宝店昨晚被抢了。
Knock together
草草做成; 匆匆拼凑成
He knocked together a quick lunch for me.
他匆匆地为我做了一顿午餐。
Knock up
敲(门、窗等)唤醒
She asked her mother to knock her up at 7 o’clock.
她让她妈妈在7点钟叫醒她。
(网球等运动中)赛前练习，赛前试打
She usually knocks up for a few minutes before the game.
她通常在比赛前练习几分钟。
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