良莠不齐的英文：
[Literal Meaning]
good/weed/not/consistent
The corps and the weeds mix together.

[解释]
莠：混在禾苗中的野草。好人坏人都有，混杂在一起。

[Explanation]
The good and the bad are intermingled.

[例子]
这次报名的学生良莠不齐，所以我们决定举行一次考试选择真正合格的人。

[Example]
The candidate students were intermingled this time, so we decided to hold another exam to select truly qualified people.