不辨是非bù biàn shì fēifail to make a distinction between right and wrong; not distinguish the correct from the incorrect; not know black from white (/chalk from cheese)
❍ 来访者生气地问道： “在事实面前你怎么能～？” The visitor asked angrily，“How can you fail to make a distinction between right and wrong in face of the facts?” |