3 sentences

1. 看看谁加入了工人阶级。

   kàn​kan shéi jiā​rù le gōng​rén jiē​jí.

   Look who's joined the working classes.

   Source: OpenSubtitles

2. 我不介意阶级正义。

   wǒ bù jiè​yì jiē​jí zhèng​yì.

   I don't mind class justice.

   Source: OpenSubtitles

3. 在资本主义社会，工人和资本家属于两个不同的阶级。

   zài zī​běn​zhǔ​yì shè​huì, gōng​rén hé zī​běn​jiā shǔ​yú liǎng gè bù​tóng de jiē​jí.

   In a capitalist society, workers and capitalists belong to two different classes.

   Source: Dong Chinese Dictionary