He was caught in the act of stealing a car.

他偷汽车时被当场逮个正着。

《牛津词典》

Parents of very young children know this: You catch your child in the act of stealing the cookie the evidence of candy written on his or her face.

小孩子的父母都知道这一点：当你发现你的孩子正在偷饼干的时候，他或她的脸上写着糖果的痕迹。

youdao

He was nabbed in the act of stealing.

他偷东西时当场被捉住了。

youdao

Before justifying the act of stealing, you have to look at violating the right that we've already agreed exists, the right of self possession and the possession of, I mean, your own things.

在判定这个偷盗是否合法之前，你得首先看到,它侵犯了我们已经认同的权利，即自我拥有的权利，拥有自己东西的权利。

耶鲁公开课 - 公正课程节选

Two hundred years ago, the consequences of the act of stealing from shops varied enormously, depending on the social status of the perpetrator.

NEWYORKER: The Secret Shopper