認賊作父 [ㄖㄣˋ ㄗㄟˊ ㄗㄨㄛˋ ㄈㄨˋ; ren4 zei2 zuo4 fu4] lit. to acknowledge the bandit as one's father (idiom); fig. a complete betrayal to sell oneself to the enemy ◄ ►