Do a number on

    伤害

    Do字面解释就是“做了”，number是“数字”。这个词组是什么意思呢？请看对话：

    A: Mary is not even talking to Tom. What happened?

    B: Everybody thought they were lovers or very close friends. Then, Tom did a number on Mary when he went out with Ann one weekend.

    A: Did a number on?

    B: It’s a slang term meaning “to damage or harm someone or something.”

    A: You know its origin too?

    B: Some people say it originated in boxing. When a combatant is “down,” there is a number countdown. The victor could be said to have done a “number” on his opponent. Others say a song and dance in a musical is called a “number,” and to “do a number” means to “make a scene of the victim.”

    A: What’s your opinion?

    B: I don’t know. Great question by the way ... it did a number on my head!

    记住了吗？Do a number on就是“伤害”。