他是我爸爸的一个朋友。

He is a friend of my father's.

youdao

我在街上遇见的那个人是我爸爸的一个朋友。

I met in the street is a friend of my father's.

youdao

我爸爸刚接到他朋友的一个电话。

My father just had a phone call from his friend.

youdao

我爸爸刚接到他朋友的一个电话。

My father just had a phone call from his friend.

youdao