flog a dead horse

flog a dead horse

美 　英

• na.鞭打死馬；徒勞無益；企圖把已經討論過并已被擱置的舊事重提
• 網絡徒勞無功；白費力氣；枉費心機

英漢解釋

na.	1. 鞭打死馬,徒勞 2. 徒勞無益 3. 企圖把已經討論過并已被擱置的舊事重提

英英解釋

un.	1. to pursue a topic or course of action that is likely to be totally unproductive 2. to waste time on something that you know is not going to happen

例句

Son, we 've been over this so many times. The answer is "no" . Don't flog a dead horse!

兒子，這個問題我們已經討論過很多次了。回答是“不能”。別老把時間浪費在沒有希望的事情上。

It is useless to flog a dead horse.

鞭打死馬，徒勞無益。

to flog a dead horse

鞭打死馬