"grandfather" 这个词来源于英语中的 "grand" 和 "father" 两个词的组合。"grand" 在这里的意思是 "祖先的" 或 "高级的",而 "father" 意为 "父亲"。因此 "grandfather" 就表示 "祖父" 或 "外公"。
下面是一些例句:
My grandfather is a retired doctor. (我的祖父是一名退休的医生。)
I'm going to visit my grandfather this weekend. (我这个周末要去看望我的祖父。)
My grandfather's favorite hobby is fishing. (我祖父最喜欢的爱好是钓鱼。)
He has always looked up to his grandfather as a role model. (他一直以来都把他的祖父看作是榜样。)