He got a nasty knock on the head.

他头部遭到重重一击。

《牛津词典》

She fell over and got a nasty crack on the head.

她跌倒了，脑袋重重地磕了一下。

《牛津词典》

He got a nasty blow on the head.

他的头部受到重重的一击。

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