阿塞夫的父亲叫马赫穆德，我爸爸的朋友，是个飞机驾驶员。

Assef was the son of one of my father's friends, Mahmood, an airline pilot.

youdao

我叫我爸爸的爸爸叫爷爷。

I call my father's father grandfather.

youdao

我叫我爸爸的爸爸叫爷爷。

I call my father's father grandfather.

youdao