knock off和 knock over 有什么不同?
2个回答

当knock off和knock over同时在表示“撞倒”意思的时候,knock over一般就是指撞倒(+ed被动),比如说A boy was knocked over by a passing car but was fortunately unhurt.而knock off则指从某个地方(被)撞倒,如A boy was knocked off his bike by a passing car but was fortunately unhurt.knock off:

knock off

打翻;撞倒

撞倒;打掉

The little girl knocked the glass off by accident.小女孩不小心碰落了玻璃杯.

减去

They knocked off five dollars from the price.他们把价格降低了五美元.

停止;歇工

Let's knock off now.咱们现在歇一会儿吧.

knock over

打翻;撞倒

He knocked a glass over.他把玻璃杯打翻了.

使惊奇

She was knocked over by the news.她被那消息惊呆了.

消除

We have knocked over every difficulty.我们已排除种种困

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