to catch somebody in the act
01
現行犯で捕まえる, その場で取り押さえる
to see or arrest a person while they are doing something illegal or wrong
慣用句
くだけた
例
The homeowner caught the thief in the act as he was trying to break into the house through a window.
警備員は時計を盗んでいる泥棒を現行犯で捕まえた。



























