英语里面“外婆”和“奶奶”都是用的grandmother。
grandmother
英 [ˈgrænmʌðə(r)] 美 [ˈɡrændˌmʌðɚ, ˈɡræn-]
n.(外)祖母; 老奶奶; 女祖先;
vt.当?的祖母;
vi.当祖母;
1.She looks disconcertingly like a familiar aunt or grandmother.
令人疑惑的是,她看上去就像一位面熟的邻家阿姨或是祖母。
2.Her grandmother had the gift of making people happy.
她奶奶有逗人开心的本事。
3.Grandmother felt free to order her about just as she wished.
奶奶毫不客气地随意支使她。
4. His grandmother and his father brought him up.
是他的祖母和父亲把他养大的。
5. Her grandmother mumbled in her sleep.
她祖母含混不清地说着梦话。