Not because they had beat up someone but because they had beat up the wife of someone important.

原因不是因为他们打了人，而是因为他们打了某位重要人物的妻子。

If someone whistles at her, or gives her the eye, don't say "I'm going to go beat them up."

如果有人对她吹口哨，或者给她抛媚眼，千万不要说“我要打趴他们。”