bosom buddy
US /ˈbʊz.əm ˌbʌd.i/
UK /ˈbʊz.əm ˌbʌd.i/
名詞
知心朋友, 知己
a very close friend with whom one shares secrets and feelings
範例:
•
We have been bosom buddies since we were in kindergarten.
我們從幼兒園起就是知心朋友了。
•
She is my bosom buddy; I can tell her anything.
她是我的知己，我什麼都可以告訴她。