in the act

• adj. 当场(在 ... 时)

例句

用作形容词 (adj.)

1. The thief was caught in the act.
   小偷当场被捕。
2. The court slapped a murder rap on him.
   法庭当场以谋杀罪判他刑。

词汇搭配

• be in on the act 参与; 插手