nǐ mā ma jīn nián duō dà nián jì le ？ A:你妈妈今年多大年纪了？ How old is your mother this year? tā wǔ shí suì le 。 B:她五十岁了。 She is fifty years old. nǐ yé ye jīn nián gāo shòu ？ A:你爷爷今年高寿 ？ How old is your grandfather this year? tā jīn nián jiǔ shí èr suì le 。 B:他今年九十二岁了。 He is ninety-two years old this year.