The job required a subtle mind.

那项工作需要一个头脑敏锐的人去做。

《牛津词典》

He has the mind and subtle facial expressions of a person who could be sitting two feet from you.

他的思想以及微妙的面部表情与坐在你身边的人无异。

youdao

In the back of my mind, I reminded myself of a subtle yet important fact.

在内心深处，我提醒自己一个隐约但又非常重要的事实。

youdao

The work bespeaks a subtle eye, a sober mind, and an ardent heart.

NEWYORKER: Shapes of Things

Picking the right dividend stocks is subtle though, and requires, ironically, a fixed-income mind-set.

FORBES: Dividend Stocks With Staying Power

Maybe the subtle mind of the government Chief Whip, Sir George Young, will find a way to induce the minor parties to side with the Conservatives, but it seems to me that the main impact of the vote will be to poison Coalition relations.

BBC: Week ahead