ㄏㄟhēichīㄏㄟhēi

  1. 不正手段奪取他人相同手法財物正當途徑取得黑吃黑」。最近成立那個幫派使黑吃黑伎倆引起其他幫派不滿。」

(of a villain)​ to do the dirty on another villain
Ellenbogengebrauch (dog-eat-dog)​ (S, Werk, Autor: Shanghai Daily)​