confidant

n.心腹朋友,知己

一个值得信任并能与之分享私密事物的人；知己；密友。

名词

1、She was always there for me, my confidant and best friend.
她总是在那里支持我，是我的知己和最好的朋友。
2、I needed someone to talk to, so I confided in my confidant about my personal struggles.
我需要有人倾诉，所以我向我的知己倾诉了我的个人困扰。