Don't bother trying to convince him, he's made up his mind. Just save your breath
She's so stubborn; you're wasting your time arguing with her. Save your breath
He's always complaining about something, but no one can do anything about it. Save your breath
I tried to explain the situation to the boss, but he wasn't listening. I decided to save my breath
You can yell all you want, but it won't change the outcome. Save your breath
There's no point in telling him off; he'll just deny everything. Save your breath
She's already made her decision, so arguing is futile. Save your breath
He's not going to change his mind, so don't waste your energy. Save your breath
Why argue with someone who refuses to see your point of view? Save your breath
They're not going to listen to reason, so there's no use trying to persuade them. Save your breath
I think I have a brilliant idea for us.
Save your breath, it's probably going to be terrible.
Just hear me out, this one is different!
Don't bother arguing; save your breath
Your words won't change their mind
There's no point in trying to persuade them