He just couldn't tell that he was about to be caught in the act.

他只是不知道自己怎么会被抓个现行了。

youdao

Thieves dont want to be caught in the act. That is why they will stay away from notebooks protected by Sonic Lock.

小偷们都不愿意在作案时被发现，他们将对挂有该锁的本本望而怯步。

youdao

Though losing his hearing, Marley could (and did) still steal food from the kitchen counter; he just couldn't tell that he was about to be caught in the act.

尽管马利失去了听力，他还是能够(而且确实如此)偷吃厨房柜台上的食物，只是他并不知道自己会被逮个正着。

youdao

Most of us are embarrassed to be caught in the act.

FORBES: Through The Looking Glass: Portraits Taken Through a One-Way Mirror

When on-stage interviewer Torrence Boone, a Google managing director, casually mentioned that their discussion would be replayed on the Internet, Morrison sounded as if caught in the act.

WSJ: Toni Morrison talks to Google about creativity