3 sentences

1. 别在课堂上做鬼脸。

   bié zài kè​táng shang zuò guǐ​liǎn.

   Don't make faces in class.

   Source: AI Challenger 2017

2. 那个调皮的男孩喜欢做鬼脸。

   nà​ge tiáo​pí de nán​hái xǐ​huan zuò guǐ​liǎn.

   The naughty boy likes to make faces.

   Source: AI Challenger 2017

3. 他们是不是在我背后做鬼脸？

   tā​men shì​bu​shì zài wǒ bèi​hòu zuò guǐ​liǎn?

   Are they making faces behind my back?

   Source: OpenSubtitles