4 sentences

1. 他的着装风格非常怪异。

   tā de zhuó​zhuāng fēng​gé fēi​cháng guài​yì.

   His style of dress is very weird.

   Source: Dong Chinese Dictionary

2. 他在大家眼中是个行为怪异的怪胎。

   tā zài dà​jiā yǎn zhōng shì gè xíng​wéi guài​yì de guài​tāi.

   He is seen as a freak with strange behavior by everyone.

   Source: Dong Chinese Dictionary

3. 医生认为他这种怪异的行为是由于神经病引起的。

   yī​shēng rèn​wéi tā zhè zhǒng guài​yì de xíng​wéi shì yóu​yú shén​jīng​bìng yǐn​qǐ de.

   The doctor believes his strange behavior is caused by a mental illness.

   Source: Dong Chinese Dictionary

4. 他性格中的怪异让大家难以接近。

   tā xìng​gé zhōng de guài​yì ràng dà​jiā nán​yǐ jiē​jìn.

   The eccentricity of his personality makes it difficult for people to get close to him.

   Source: Dong Chinese Dictionary