Age My grandmother is 97. She's very old. My sister is 14. She's young, but would like to be older. My father is 56. He's middle-aged, but would like to be younger! This hospital is for elderly people. (more polite than old) Expressions A: How tall is Bettina / Tom? B: She's 1.85 metres tall. / He's 1.48 metres tall. A: How heavy are you? / How much do you weigh? B: I weigh 62 kilos / 74 kilos, etc. A: How old is he? B: He's 84. Tip A: What does Gemma / your sister look like? B: She's tall and dark. She's very pretty. Some of the words on this page are a little negative, so be careful how you use them. It's better not to say to someone: You are fat / thin / ugly old: English Vocabulary in U