SSFFAMILYthe father of your father or mother 祖父;外祖父
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People usually say grandad (especially in British English) or grandpa when talking to or about their own grandfather: 和自己的(外)祖父谈话或谈到他们时,人们一般说grandad(尤其在英国英语中)或grandpa
I used to stay at my grandpa’s house.
我以前住在我祖父家。
Examples from the Corpus
grandfather• And grandfathercaught a bus up to Ipswich market where my father was, and they drove home.• She was excited to see her grandfather and uncle, running to hold up her face for a kiss.• Through his stories about his grandfather, he had long ago learned to survive by his wits.• Leslie and his grandfathercollected Sam and carried him to Lovettsville.• Another man kills his grandfather for five dollars.• His grandfatherenjoyed a gamble - the trick all along was to keep on increasing the size of the farm.• All the men he knows are fathers or grandfathers and it is in that capacity that he knows them.