那位老人每天早晨都会在公园散步。

The ___old person takes a walk in the park every morning.

作为这个圈子的老前辈，他对每位新人都很友善。

As an ___elderly person in this community, he is friendly to every newcomer.

虽然她才20岁，但总爱唠叨别人要早睡早起，真是个老成的人。

She's only 20 but always nags about early bedtime - what an ___old soul!