tā / xié zhù / jǐng fāng / zhuā huò / le / dào zéi / yīn cǐ / huò dé / le / yì bǐ / fēng hòu / de / shǎng jīn

他协助警方抓获了盗贼，因此获得了一笔丰厚的赏金。

He assisted the police in catching the thief and thereby received a generous monetary reward.