泾渭不分jīng wèi bù fēnmake no distinction between black and white; fail to distinguish between the good and the bad ❍ 那位昏头昏脑的官员~,随意处罚部下。That muddleheaded of ficial make no dis tinction between the good and the bad and punished his subordinates at will. 泾渭不分jing wei bu fenfail to distinguish between the good and the bad |