Knock about/around
閒待著；悠閒地打發時間
Irene usually spends the weekend just knocking around the house.
艾琳通常整個週末都只是在家裡閒待著。
拳打腳踢; 粗暴對待
He used to knocked his wife and son about.
他過去經常打他的妻子和兒子。
閒逛；漫遊；漂泊
I like to knock around the farm on weekends.
週末我喜歡在農場裡閒逛。
Knock back
使大吃一驚
Hearing the unexpected news really knocked him back.
聽到這個意外的消息，真的使他大吃一驚。
使花費
The new car knocked him back a lot of money.
這輛新車花了他很多錢。
Knock down
拆掉 (建築物等)； 拆卸
That old quadrangle courtyard was knocked down by some people.
那個古老的四合院被一些人拆毀了。
打倒，擊倒；撞倒
He carelessly knocked the child down.
他不小心把孩子撞倒了。
獲得；賺得
He knocked down more than two hundred thousand dollars last year.
去年他賺了二十多萬美元。
降低（價格）
She was a good bargainer. She knocked down the price from $100 to $50.
她太會講價了。她把價格從100美元講到50美元。
Knock off
停止工作；休息；下班
I really hope I could knock off early today.
我真希望今天早點下班。
減掉; 降低（價格）
The shopkeeper knocked 10 dollars off the price.
店主把價格降低了10美元。
碰掉，敲掉；撞倒
His daughter accidentally knocked a cup of coffee off.
他女兒不小心撞倒了一杯咖啡。
拘捕；捉住
That taxi driver was knocked off by the police.
那個出租車司機被警察拘捕了。
Knock it off!
別說了！
Knock out
淘汰
Morocco got knocked out in the World Cup yesterday.
昨天摩洛哥隊在世界盃上被淘汰出局。
擊昏；使不省人事
He was knocked out by the basketball.
他被籃球打昏了。
給...深刻印象；使震驚
This film knocked them out.
這部電影給他們留下來深刻的印象。
Knock over
撞倒，擊倒；打翻
The old man got knocked over by a bus.
那個老人被公共汽車撞倒了。
偷，搶，搶劫
The jewelry store opposite the bank was knocked over last night.
銀行對面的那家珠寶店昨晚被搶了。
Knock together
草草做成; 匆匆拼湊成
He knocked together a quick lunch for me.
他匆匆地為我做了一頓午餐。
Knock up
敲(門、窗等)喚醒
She asked her mother to knock her up at 7 o’clock.
她讓她媽媽在7點鐘叫醒她。
(網球等運動中)賽前練習，賽前試打
She usually knocks up for a few minutes before the game.
她通常在比賽前練習幾分鐘。
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