泥沙俱下

níshājùxià

mud and sand are carried along —there is a mingling of good and bad

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ni2 sha1 ju4 xia4

mud and sand flow together (idiom), good and bad mingle

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泥沙俱下|泥沙俱下 [ní shā jù xià] ► mud and sand flow together (idiom) ► good and bad mingle