2 sentences

1. 脱水是导致疲劳的常见原因。

   tuō​shuǐ shì dǎo​zhì pí​láo de cháng​jiàn yuán​yīn.

   Dehydration is a common cause of tiredness.

   Source: AI Challenger 2017

2. 将婴儿放入太热的浴水里也是一个烫伤的常见原因。

   jiāng yīng'ér fàng rù tài rè de yù shuǐ li yě​shì yī​ge tàng​shāng de cháng​jiàn yuán​yīn.

   Placing a baby in bath water that is too hot is another common cause of scalding.

   Source: UM-Corpus: News