- 打掉，碰掉，敲掉；撞倒；击倒：
She accidentally knocked the glass off.
她不小心把玻璃杯碰掉了。
I knocked him off his feet.
我把他打倒在地。
- [口语]停止工作，休息，下班：
All the workers knocked off for lunch at twelve o'clock.
所有的工人都在12点钟停止工作去吃午饭。
What time do you knock off?
你们什么时候下班?
- 减掉，降低(价格)；减低(速度)：
The shopkeeper agreed to knock 5 pounds off the price.
店主同意把价格降低5镑。
- 匆促完成；匆忙写出(文章等)，即席做成：
I've a few letters to knock off this morning.
今天上午我有几封信要赶出来。
He knocks off a poem.
他即席赋诗。
- 排除，除掉；击败；破坏；消灭：
The headmaster is trying to knock off every objection.
校长正努力排除一切反对意见。
to knock off opponents
击败对手
- 赢得，获得：
He knocked off a Nobel prize.
他获得了一项诺贝尔奖。
- [俚语]杀死，谋杀，干掉：
He was knocked off by the gangsters.
他被歹徒谋杀了。
- [俚语]偷(某物)；抢劫(某处)：
Who knocked off my purse ?
谁偷了我的钱包呢?
The man who knocked off a bank last night was arrested.
昨天夜里抢劫银行的人被逮住了。
- [俚语]拘捕，捉住；突然抄查：
He was knocked off by the police.
他被警察拘捕了。
The company was knocked off yesterday.
该公司昨天被突然抄查了。
- [俚语]很快吃光(或喝光)：
They have knocked off the whole cake in a few minutes!
他们在几分钟内便吃光了那块大蛋糕。
- 【板球】得(分)：
Our team knocked off another two points.
我们队又得了两分。
- [俚语]与(女人)发生性关系；诱奸
- 翻印(时装样本等)，复制(时装图样)
- 采取仿制的手段以低于原作的价格出售；以翻印本使售价比…低