◎良莠不齐liángyǒu-bùqí
[grain or chaff;the good and the bad are intermingled; sheep and goats; there are bad as well as good people in the group; there are weeds among seedlings; thread and thrum] 莠:狗尾草，比喻品质坏的人。比喻好人坏人混在一起
无如众生愚贤不等，也就如五谷良莠不齐。——清·文康《儿女英雄传》