3 sentences

1. 这孩子非常淘，总爱搞恶作剧。

   zhè hái​zi fēi​cháng táo, zǒng ài gǎo è​zuò​jù.

   This child is very naughty and always plays pranks.

   Source: Dong Chinese Dictionary

2. 这只是一个无伤大雅的恶作剧。

   zhè zhǐ shì yī gè wú​shāng​dà​yǎ de è​zuò​jù.

   It was just a harmless prank.

   Source: Dong Chinese Dictionary

3. 他总是喜欢对别人恶作剧。

   tā zǒng​shì xǐ​huan duì bié​ren è​zuò​jù.

   He always likes to play pranks on others.

   Source: Dong Chinese Dictionary