Jimmy was still dazed by the blow to his head.

吉米由于头部被击，仍然神志不清。

《牛津词典》

He was knocked out by a single blow to the head.

他头上只被打了一下便昏过去了。

《牛津词典》

The doctors speculate that he died of a cerebral haemorrhage caused by a blow on the head.

医生们猜测他死于头部撞击引起的脑溢血。

《柯林斯英汉双解大词典》

These people temporarily lost consciousness after suffering a blow to the head.

VOA: special.2009.04.07

Trauma, a blow to the head, a stroke can rid you of your language.

外伤,脑部撞击,中风,都可以让你失去语言能力

耶鲁公开课 - 心理学导论课程节选

The inquest heard how Mr Atherton was arrested for affray at a local club in 2008 and how months later, armed police were called to his house when he threatened to "blow his head off".

BBC: Horden shootings: Police could have revoked gun licence

His stories will blow your head off.

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Reebok and mc10 have collaborated to create CheckLight, a head impact indicator meant to make it easy to see when an athlete has taken a dangerous blow to the head.

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