A friend of his is a lawyer.

他的一位朋友是律师。

A friend of his has just arrived.

他的一位朋友刚刚到达。

He sold the car to a friend of his.

他把车子卖给了他的一个朋友。

He had brought along a friend of his.

他带来了一个朋友。

I'm a friend of his from the Surface.

如果你有新的地面的钱是唯一的出路。