1 sentence

1. 由于闲来无事，你试图搞明白蜡烛已经燃烧了多久。

   yóu​yú xián​lái​wú​shì, nǐ shì​tú gǎo míng​bai là​zhú yǐ​jing rán​shāo le duō​jiǔ.

   With nothing else to do, you try to figure out how long the candle has been burning.

   Source: CCMatrix