披肝沥胆

披肝沥胆 [pī gān lì dǎn]

1. ■ lay bare [open] one's mind [heart]; bare [open up] one's heart; be loyal and faithful; be open and sincere; disembosom oneself; disclose one's secret feelings; hang one's heart on one's sleeve; reveal one's innermost feelings; speak from the innermost heart; speak the truth straight from one's heart; split one's liver and gall with exertion; unbosom oneself; unbutton one's soul