He got a nasty knock on the head.

他头部遭到重重一击。

《牛津词典》

So, I used to knock sponge balls off the wall till my mum got fed upwith it and got us a Swingball for the back garden.

那么，我过去经常对着墙打海绵球，直到我妈不耐烦了，给我们弄来了摇摆球，放在后院里。

youdao

My agent even got into a knock down drag out fight in the Union Square Café in New York City.

我的代理人甚至在纽约联合广场咖啡厅内卷入了一场争斗。

youdao

Agents visited them, and made enquiries, but the family heard nothing more from the agency until this week, when they got the fateful knock on the door.

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One February day in the mid-1990s, Mr. Tombari and his wife, then living in California, got a knock on the door from a friend.

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Yale got the last at-large bid only after Notre Dame beat Michigan to knock the Wolverines from that slot.

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