bosom buddy
US /ˈbʊz.əm ˌbʌd.i/
UK /ˈbʊz.əm ˌbʌd.i/
名詞
親友, 心の友
a very close friend with whom one shares secrets and feelings
例:
•
We have been bosom buddies since we were in kindergarten.
私たちは幼稚園の頃からの親友です。
•
She is my bosom buddy; I can tell her anything.
彼女は私の親友なので、何でも話せます。