比如说,你在公园里,看到一个老奶奶或者老爷爷在干什么,你跟他说话,就可以问:您多大年纪了?
bǐrú shuō ,nǐ zài gōngyuán lǐ ,kàndào yī gè lǎonǎinai huòzhě lǎoyéye zài gàn shénme ,nǐ gēn tā shuōhuà ,jiù kěyǐ wèn :nín duō dà niánjì le ?
For example, you're in the park and you see an old granny or an old grandpa doing something, you can speak with them and ask: what is your age?