Tra từ rat on somebody - Từ điển Oxford Advanced Learner 8th

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Từ điển Oxford Advanced Learner 8th

rat on somebody ˈrat on sb derived (NAmE also rat sb out (to sb)) (informal, disapproving)to tell sb in authority about sth wrong that sb else has done •Where I come from, you don't rat on your friends. Main entry: ↑rat_derived