do a number on someone 捉弄、欺骗某人

Do a number on someone

Definition: trick someone, cheat someone, hurt someone very badly

定义：捉弄、欺骗某人，深深地伤害某人

I'm afraid she did a number on him when she broke up.

我担心她提出分手对他伤害很深。

That guy did a number on John to the tune of $500!

那个家伙骗了约翰500美元!