英語翻譯：

father; uncle

例句：

1. 他的爺爺/外公去年去世了。
   His grandpa passed away last year.
2. 我爺爺在舊社會死于饑餓。
   My grandpa died of hunger in the old days.
3. 我希望你代我問候瑪麗、約翰，尤其是爺爺。
   I wish you would remember me to Mary, John, and in special, to grandpa.
4. 代我向瑪麗、約翰，尤其向爺爺問好。
   Give my regards to Mary, John and by especial to Grandpa.