肝かん胆たん

noun

liver and gall bladder; one's inner being

Literally refers to the liver and gall bladder, but commonly used in set phrases like 肝胆相照らす (to be open-hearted with each other) to mean one's deepest feelings or true self.

• 肝かん胆たん相あい照てらす仲なかだ。

  We are close enough to bare our hearts to each other.

• 彼