黑五类

hēi wǔ lèi

the "five black categories" (Cultural Revolution term), i.e. landlords, rich peasants, counterrevolutionaries, bad elements and rightists

hēi

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

five

lèi

kind; type; class; category