nǐ jīn nián duō dà le ？ A:你今年多大了？ How old are you this year? wǒ èr shí suì le 。 B:我二十岁了。 I'm twenty years old. nǐ mèi mei jīn nián jǐ suì le ？ A:你妹妹今年几岁了？ How old is your younger sister this year? tā wǔ suì le 。 B:她五岁了。 She is five years old. nǐ yé ye jīn nián duō dà nián jì le ？ A:你爷爷今年多大年纪了 ？ How old is your grandfather this year? tā jīn nián bā shí èr suì le 。 B:他今年八十二岁了。 He is eighty-two years old this year.