ˇěrˊㄨㄛˇㄓㄚˋzhà

  1. 彼此互相詐騙形容人際鉤心鬥角參見爾詐我虞生意利益商人常常爾虞我詐。」鉤心鬥角披肝瀝膽推心置腹推誠相見肝膽相照相安無事

lit. you hoodwink me and I cheat you (idiom)​; fig. mutual deception, each tries to outwit the other, dog eats dog and devil take the hindmost
(expr. idiom.)​ jouer au plus malin