English version

waste your breath

From Longman Dictionary of Contemporary Englishwaste your breathwaste your breathspokenPOINTLESS to say something that has no effect Don’t try to reason with Paul – you’re wasting your breath. waste
Examples from the Corpus
waste your breathBesides, something told her she'd be wasting her breath.I ain going waste my breath.I figure why waste my breath.You know it and so do I. So don't waste your breath!Was there any point in even wasting her breath trying to convince him?
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