泾渭不分 (jīng wèi bù fēn) | Meaning: make no such distinction between good and evil (or black and white) | Chinese Idiom with Pinyin & Origin

the eye is bewildered by five colors (idiom); a dazzling riot of colors目迷五色mù mí wǔ sè

unable to distinguish right and wrong (idiom)是非不分shì fēi bù fēn

ambiguous · vague · careless · perfunctory含糊hán hu

jackals of the same tribe (idiom); fig. They are all just as bad as each other.一丘之貉yī qiū zhī hé

make no such distinction between good and evil (or black and white) · can not distinguish between the rivers Ching and Wei