1 sentence

1. 他年纪虽轻，却极省事，懂得人情世故。

   tā nián​jì suī qīng, què jí xǐng​shì, dǒng​de rén​qíng​shì​gù.

   Although he is young, he is very sensible and understands the ways of the world.

   Source: Dong Chinese Dictionary