bosom friend (博森 弗兰德)

Idiom Friendship

含义

a very close and trusted friend

一个非常亲密和值得信赖的朋友 (yi ge feichang qinmi he zhide xinlai de pengyou)

例句

"We’ve been bosom friends since childhood."

"我们从小就是非常要好的朋友。" (women congxiao jiushi feichang yaohao de pengyou)