3 sentences

1. 这样处理比较省事。

   zhè​yàng chǔ​lǐ bǐ​jiào shěng​shì.

   Handling it this way is more convenient and saves trouble.

   Source: Dong Chinese Dictionary

2. 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

3. 在此朝代，该官职的主要职责是入内省事。

   zài cǐ cháo​dài, gāi guān​zhí de zhǔ​yào zhí​zé shì rù nèi xǐng​shì.

   In this dynasty, the main duty of this official position was to attend to affairs in the inner palace.

   Source: Dong Chinese Dictionary