3 sentences

1. 他原本是这家豪门的厮役。

   tā yuán​běn shì zhè jiā háo​mén de sī yì.

   He was originally a servant for this wealthy family.

   Source: Dong Chinese Dictionary

2. 看那厮贼头贼脑，准没干好事。

   kàn nà sī zéi​tóu​zéi​nǎo, zhǔn méi gàn hǎo​shì.

   Look at that fellow acting all sneaky; he's definitely up to no good.

   Source: Dong Chinese Dictionary

3. 那两个醉汉在街头激烈地厮打起来。

   nà liǎng gè zuì​hàn zài jiē​tóu jī​liè de sī dǎ qi​lai.

   Those two drunks started fighting fiercely in the street.

   Source: Dong Chinese Dictionary