Knock是很常見的動詞指“敲”，“敲門”就會說“knock the door”。除此以外，knock搭配不同介詞會產生千變萬化的意思。今天就來聊聊，當knock遇上off，會產生哪些“化學反應”？
首先，兩個詞合併成一個詞的時候是knockoff, which means an imitation of something, particularly a well-known product, usually lower in quality and price than the original.山寨貨，冒牌貨
You can buy a nice knockoff watch from them. 你能從他們那兒買到質量很好的仿製名牌手錶。
That song is obviously a knockoff of an earlier recording. 那首歌很明顯是以前(過的)曲的盜版。
當兩個詞分開的時候knock off，就變成一個地道的美式習語，一詞十用，內涵豐富，就看你能get多少 ~
1. 打掉，碰掉
She accidentally knocked off the glass。
她不小心把玻璃杯碰掉了。
2. 撞倒，擊倒
I knocked him off his feet.
我把他打倒在地。
3. 停止工作，休息，下班：
All the staff knocked off for lunch at twelve o'clock.
所有的員工都在12點鐘停止工作去吃午飯。
What time do you
knock off?你們什麼時候下班?
4. 減掉，降低(價格)；
The shopkeeper agreed to knock 5 pounds off the price.
店主同意把價格降低5鎊。
5. 匆促完成；匆忙寫出(文章等)，即席做成：
I've a few letters to knock off this morning.
今天上午我有幾封信要趕出來。
He knocks off a speech.
他即興演講。
6. 排除，除掉；
The headmaster is trying to knock off every objection.
校長正努力排除一切反對意見。
7. 贏得，獲得
He knocked off a Nobel prize.
他獲得了一項諾貝爾獎。
8. 殺死，謀殺，幹掉
He was knocked off by the gangsters.
他被歹徒謀殺了。
9. 偷(某物)；搶劫(某處)
Who knocked off my purse ?
誰偷了我的錢包呢?
The man who knocked off a bank last night was arrested.
昨天夜裡搶劫銀行的人被逮住了。
10. 很快吃光(或喝光)
They have knocked off the whole cake in a few minutes!
他們在幾分鐘內便吃光了那塊大蛋糕。
閱讀更多 Joanna有範英語 的文章
