2 sentences for 乖 (guāi — perverse)

1. 他的性格乖剌，很难与人相处。

   tā de xìng​gé guāi là, hěn nán yǔ rén xiāng​chǔ.

   He has a perverse personality and is difficult to get along with.

   Source: Dong Chinese Dictionary

2. 他的脾气特别乖，总喜欢跟人唱反调。

   tā de pí​qi tè​bié guāi, zǒng xǐ​huan gēn rén chàng​fǎn​diào.

   He has a very perverse temper and always likes to contradict people.

   Source: Dong Chinese Dictionary