waste your breath
成語所屬單字breath
waste your breath — 慣用語
1. To say something that no one pays attention to or that has no effect.
1.慣用語
釋義
白費口舌
To say something that no one pays attention to or that has no effect.
例句
Don't waste your breath arguing with him; he won't change his mind.
She felt she was wasting her breath trying to explain the rules.