At the time, his appointment seemed a stroke of genius.

当时，他的任命似乎是天才之举。

《柯林斯英汉双解大词典》

The fact that we now imagine our planet as a whole does not mean that the "rescue" of our planet will come with one big global stroke of genius and technology.

事实上，我们现在认为所在的星球是一个整体，这并不意味着对我们星球的“拯救”能靠着一次全球性的天才之举和技术就能实现。

youdao

Her idea was a stroke of genius.

她的主意是聪明的一着。

《牛津词典》

Was it a stroke of genius to raise the volts in a car's electrical system?

FORBES: OutFront

One day, in a stroke of genius, I told Dirk that I had spent the previous night with her.

NEWYORKER: Wakefield

In what he thought was a stroke of genius, the father tore out the picture and tore it into 20 different pieces.

CNN: AllPolitics - State Of The Union Response Transcript, 1997