save one's breath

listen to the pronunciation of save one's breath
English - Turkish
çenesini yormamak
save breath
(deyim) save one's breath [kd] bosuna nefes tuketmemek
English - English
To refrain from speech

If you're going to start in on me about coming back into the company — save your breath. There's no room here for me and you know it.

save your breath
it's not worth the effort, don't bother