我相信保罗曾是你的一个朋友。

I believe Paul was a friend of yours.

《柯林斯英汉双解大词典》

“这不值得花时间。”你的一个朋友说。

"It's not worth the time," one of your friends says.

youdao

“是啊，他是你的一个朋友。”狄肯咯咯地笑着说。

"Aye, he's a friend of yours," chuckled Dickon.

youdao

This is one of his friends: "'Sal, where did you find these absolutely wonderful people?

他的一个美国朋友说：,“’萨尔，你在哪里碰到了这么有意思的人？

耶鲁公开课 - 1945年后的美国小说课程节选

So you just sign up to be on team of, you know, whoever you can gather. Your friends.

所以你只需报名参加，不管你能召集到谁。
可能是你的朋友们，你们组成一个队。

伯克利的水上运动 - SpeakingMax英语口语达人

There's a tendency for loyalty to friends -that's your own friends--and there's this word, other people.

人们还倾向于忠于朋友,我是指你自己的朋友,还有一个词叫做外人

耶鲁公开课 - 金融市场课程节选