Meaning of sūn nǚ:
sūn nǚ
孙女
Noun
son's daughter; granddaughter
Wǒ de sūnnǚ jīnnián wǔ suì le.
我的孙女今年五岁了。
My granddaughter is five years old this year.
Nǎinai hěn téng'ài tā de xiǎo sūnnǚ.
奶奶很疼爱她的小孙女。
Grandma loves her little granddaughter very much.