犯科

jǐng chá shì tú zhuī zōng tā fàn kē de yuán yóu

警察试图追踪他犯科的缘由。

The police tried to trace the reason why he violated the law.

tā shì gè wáng mìng zhī tú céng jīng qiǎng jié fàn kē guo

他是个亡命之徒，曾经抢劫犯科过。

He's an outlaw who used to be a robber and was against the law.