2 sentences for 有事 (yǒu​shì)

1. 我下午有事，改天再去找你吧。

   wǒ xià​wǔ yǒu​shì, gǎi​tiān zài qù zhǎo nǐ ba.

   I have something to do this afternoon; let's catch up another day.

   Source: Dong Chinese Dictionary

2. 他最近心神不宁，似乎心里有事。

   tā zuì​jìn xīn​shén​bù​níng, sì​hū xīn​li yǒu​shì.

   He has been restless lately; it seems like he has something on his mind.

   Source: Dong Chinese Dictionary