混淆黑白

hùn xiáo hēi bái

to confuse black and white

to say that black is white; fig. not to distinguish right from wrong

hùn

to mix

xiáo

confused and disorderly

hēi

abbr. for Heilongjiang province 黑龍江|黑龙江[Hei1 long2 jiang1]

bái

white