bosom friend

短语

知己, 契友

发音

其它

词形变化

bosom friends 复数 bosom friends

别名

bosomfriend

释义与例句

n.
  1. 1.

    A very close friend.

    知己

    知音

    挚友

词源

Compound of bosom + friend. Compare typologically Russian напе́рсник (napérsnik), akin to Proto-Slavic *pьrsь, Russian закады́чный друг (zakadýčnyj drug), akin to кады́к (kadýk)).

来源：wiktionary