通风报信 tōngfēngbàoxìn to tip someone off Origin Definitions Defs Strokes Stroke Words Sentences Sents 通风 通風 tōngfēng to leak information To secretly leak information or tip someone off; often used in the phrase 通风报信 tōngfēngbàoxìn报信 報信 bàoxìn to notify to notify; to inform; to report news or information