她很机智并且有一个特别敏锐的头脑。

She was quick-witted and had an extraordinarily agile mind.

《柯林斯英汉双解大词典》

他是一位非常精明的经营者，有着敏锐的头脑。

He is a very shrewd operator with an incisive mind.

《柯林斯英汉双解大词典》

要看到整体，你需要一个非常敏锐的头脑。

To see the whole thing you need a very sharp mind.

youdao

You get the idea that everything arises from the extraordinary mental acuity or spiritual insight of an author and that what needs to be understood about literature is the genius of its production.

你发现一切,都源自这些作者的敏锐头脑和深刻见解,关于文学，你需要理解的,是这些天才的作品。

耶鲁公开课 - 文学理论导论课程节选