Will的部落格

save your breath

原文解釋: used to say someone will not be able to persude someone else,

              or you already knew the information.

中文解釋: 省省力氣, 別做白費力氣的嘗試, 或者用於已經知道這消息

已下為兩個例句: 

A. I'm sorry I was late. I can give you my excuse.

B. Save your breath. This is 5th time you have been late,
   
    and I don't need to hear any more of your excuse.

A. Did you hear about the forest fire?

B. Save yor breath. It's been on the news all morning,
 
    and I know the story inside and out.