He parried a blow to his head.

他挡开了砸向头部的一击。

《牛津词典》

That ruling comes as a blow to environmentalists.

那项规定对环境保护主义者是一个打击。

《柯林斯英汉双解大词典》

He landed a blow on Hill's nose.

他对着希尔的鼻子来了一拳。

《牛津词典》

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

And when that turns negative, it's a blow.

当回应变得消极时，就会成为一个打击。

耶鲁公开课 - 心理学导论课程节选

Archer has seen a guy get knocked out from a blow to the head by a crane arm.

FORBES: Hollywood Hard Hats

Middle-class Americans would have had been dealt a blow through an automatic tax hike.

WHITEHOUSE: Press Briefing

But then, in a blow to waiting refugees, administration officials scale the number back to 7, 000.

NPR: U.S. Organizes Job Fair for Iraqis