3 sentences

1. 这位演员是演反派角色的专业户。

   zhè wèi yǎn​yuán shì yǎn fǎn​pài jué​sè de zhuān​yè​hù.

   This actor is a specialist in playing villain roles.

   Source: Dong Chinese Dictionary

2. 你想让我们的英雄突然变成反派吗？

   nǐ xiǎng ràng wǒ​men de yīng​xióng tū​rán biàn​chéng fǎn​pài ma?

   You want our hero to suddenly become the villain?

   Source: OpenSubtitles

3. 曹操是《三国演义》里著名的反派人物。

   Cáo Cāo shì《 Sān​guó yǎn​yì》 lǐ zhù​míng de fǎn​pài rén​wù.

   Cao Cao is a famous villain in the Romance of the Three Kingdoms.

   Source: Dong Chinese Dictionary