家丑不可外传，流言切莫轻信

jia1 chou3 bu4 ke3 wai4 chuan2 , liu2 yan2 qie1 mo4 qing1 xin4

Don't spread abroad the shame of the family, don't believe rumors lightly (common expression); Don't wash your dirty linen in public, don't listen to others' gossip.

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家醜不可外傳，流言切莫輕信|家丑不可外传，流言切莫轻信 [jiā chǒu bù kě wài chuán , liú yán qiē mò qīng xìn] ► Don't spread abroad the shame of the family, don't believe rumors lightly (common expression); Don't wash your dirty linen in public, don't listen to others' gossip.