释义：

　　Knock 动词，敲，打；

　　1. To bump or strike something in such a way as to tip it 打翻

　　I knocked over a can of paint and spent the next hour cleaning up.

　　我打翻了一罐油漆，于是乎花了一个小时去清理；

　　2. to rob something like a bank or a shop 抢劫银行或者商店

　　①一般后接的词语：

　　bank,store, jewellery store, liquor store, gold shop, gun shop, pawn shop

　　②举例：

　　If drugs were given to addicts，they wouldn't have to knock over stores and shops to get the money to buy them.

　　如果把药品给吸毒者，那么他们就不会再去打劫商店，再拿这些钱去买药物。

　　They tried to knock over the store and learned a hard lesson when they got caught.

　　他们抢劫未遂，被捕后被好好地上了一课。

　　使用提示:

　　This is typically used in American and Australian English but may be used in other varieties of English too. 这个俚语一般在美国和澳大利亚用的比较多，但是其他英语国家也会用到。