Traduction :
to hide dirt, to conceal corruption (idiom); to shelter evil people and accept wrongdoing; aiding and abetting wicked deeds
Référence :
垢、污：肮脏的东西。包藏容纳肮脏之物。比喻隐藏或包容坏人坏事。
Origine :
《左传·宣公十五年》：“谚曰：‘高下在心，川泽纳污，山薮藏疾，瑾瑜匿瑕。’国君含垢，天之道也。”
Exemple :
大概是明末的王思任说的罢：“会稽乃报仇雪耻之乡，非～之地。”（鲁迅《且介亭杂文附集·女吊》）
Annotation :
藏垢纳污1
1. cánggòunàwū :
[EN] to hide dirt, to conceal corruption (idiom); to shelter evil people and accept wrongdoing; aiding and abetting wicked deeds
