He is a friend of our family.

他是我家的朋友。

youdao

He is a close friend of our family; however, I don't know his name.

他是我家的一个亲近的朋友，但我不知道他的全名。

youdao

He is a close friend of our family; however, I don't know his name.

他是我家的一个亲近的朋友，但我不知道他的全名。

youdao