3 sentences for 更 (gēng)

1. 半夜三更，外面突然传来了敲门声。

   bàn​yè sān gēng, wài​miàn tū​rán chuán​lái le qiāo​mén​shēng.

   In the middle of the night, there was a sudden knock on the door.

   Source: Dong Chinese Dictionary

2. 为了掩盖真实身份，他不得不数更其名。

   wèi​le yǎn​gài zhēn​shí shēn​fèn, tā bù​dé​bù shuò gēng qí míng.

   To hide his true identity, he had to change his name several times.

   Source: Dong Chinese Dictionary

3. 他毕竟少不更事，处理这类问题缺乏经验。

   tā bì​jìng shào bù gēng shì, chǔ​lǐ zhè lèi wèn​tí quē​fá jīng​yàn.

   After all, he is young and inexperienced, so he lacks the experience to handle such issues.

   Source: Dong Chinese Dictionary