waste your breath
This page is about the idiom waste your breath
You're wasting your breath if you're speaking but what you're saying is being ignored or having no effect.
- You're just wasting your breath. He won't listen to anyone.
- You might feel that you're wasting your breath, but if just one kid avoids a drug problem because of what you say, it'll be worth it.
Someone is wasting their breath if nobody is
Contributor: Matt Errey