Confidant
01
知己, 心腹
a person in whom one places trust and shares secrets or private thoughts and feelings
例子
She was his closest confidant, knowing all his fears and hopes.
她是他最亲密的知己，了解他所有的恐惧和希望。
The king relied on his old friend as a confidant in matters of state.
国王在国务问题上依赖他的老朋友作为心腹。
