
Waste your breath
Figurative Meaning
The phrase 'waste your breath' means using words with no result; it's not about actual breathing.

I tried to change her mind, but I was just wasting my breath.
Stubborn Audience
Use 'waste your breath' when someone won't listen or change their mind, despite your efforts.

He'll never agree to that plan, so you're wasting your breath.
Futile Situations
The phrase suits situations where effort has no chance of success.

Arguing about it now is wasting your breath; the decision has been made.
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