and you've tried to be the best girlfriend you can.

你也尽最大的努力尝试做一个好女友。

I can't 课堂 - SpeakingMax英语口语达人

They're your best girlfriend and your best guy friend,

这两个人一个是你最要好的女性朋友，一个是你最好的哥们。

How long课堂 - SpeakingMax英语口语达人

So a lot of... I still live with some guys from Ivy, some of them are best friends, my girlfriend is from Ivy.

好多……我还跟一些常春藤的人住在一起，有些是我最好的朋友，我女朋友也是常春藤的。

高尔夫俱乐部的回忆 - SpeakingMax英语口语达人