ㄋㄧˊㄕㄚshāㄐㄩˋㄒㄧㄚˋxià

  1. 泥土沙子河流下來比喻事物不論好壞混雜一起·袁枚隨園詩話》:人稱萬里黃河泥沙俱下以為大才。」龍蛇混雜魚龍混雜

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