1、How old are you?old:adj. 年老的;陈旧的;古老的;以前的;原来的;n. 古时;how:adv. (后接形容词或副词)多少,多么,多大 。How old are you---thirty odd?你多大?三十多?

2、Whats your age?Whats your age? And since when are you doing this? Sister. 你多大了?你什么时候开始干这个的,大姐?