3 sentences

1. 我是一个病态赌徒。

   wǒ shì yī gè bìng​tài dǔ​tú.

   I am a pathological gambler.

   Source: OpenSubtitles

2. 你们俩有一种病态的幽默感。

   nǐ​men liǎ yǒu yī zhǒng bìng​tài de yōu​mò​gǎn.

   You two have a sick sense of humor.

   Source: OpenSubtitles

3. 这种追求名利的心理已经到了一种病态的地步。

   zhè zhǒng zhuī​qiú míng​lì de xīn​lǐ yǐ​jīng dào le yī zhǒng bìng​tài de dì​bù.

   This pursuit of fame and fortune has reached a pathological level.

   Source: Dong Chinese Dictionary