do a number on someone idiom US slang
伤害某人;打败某人;使某人难堪
to injure someone or something, or to hurt or embarrass someone
I really did a number on my ankle when I fell. 我摔倒时真把脚踝弄坏了。
She really did a number on her old boyfriend, making him beg her to come back and then turning him down. 她真的好好治了一下前男朋友，让他乞求自己回心转意，而后却又拒绝了他。