ㄆㄧㄍㄢgānㄌㄧˋㄉㄢˇdǎn

  1. 比喻坦誠相待忠貞不二·司馬光體要〉:訪問不及披肝瀝膽區區。」披瀝肝膽」。肝膽照人開誠布公相見真心誠意貌合神離勾心鬥角假仁假義爾虞我詐

lit. to open one's liver and drip gall (idiom)​; wholehearted loyalty