bosom friend
US /ˈbʊzəm frɛnd/
UK /ˈbʊzəm frɛnd/
短语
知心朋友, 密友
a very close and intimate friend
示例:
•
She shared all her secrets with her bosom friend.
她把所有的秘密都告诉了她的知心朋友。
•
They have been bosom friends since childhood.
他们从小就是知心朋友。