黑吃黑

hēi chī hēi

(of a villain) to do the dirty on another villain

hēi

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

chī

variant of 吃[chi1]

hēi

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