Question

to beat a dead horse - You're just beating a dead horse. He's never going to change his mind.  - I finally realized that I was beating a dead horse. Nothing I could say was going to make any difference.  - Relying on new or existing manufacturing jobs to save the day down the road isn't just beating a dead horse, it's laying down beside it.  - I also think that we may have reached the point of beating a dead horse ... so with thanks and love to all, I now respectfully close this thread.  -

Accepted Answer

to keep on doing something after there is no point in doing so The word beat in this idiom means hit. An alternative expression is to flog a dead horse. (Hitting a dead horse is not going to make it move!)

Idiom	to beat a dead horse
Definition	to keep on doing something after there is no point in doing so
Examples	- You're just beating a dead horse. He's never going to change his mind. - I finally realized that I was beating a dead horse. Nothing I could say was going to make any difference. - Relying on new or existing manufacturing jobs to save the day down the road isn't just beating a dead horse, it's laying down beside it. - I also think that we may have reached the point of beating a dead horse ... so with thanks and love to all, I now respectfully close this thread. -
Note	The word beat in this idiom means hit. An alternative expression is to flog a dead horse. (Hitting a dead horse is not going to make it move!)

Dead I Horse Beating Beat Point Make Change