2 sentences

1. 他决定改邪归正，重新做人。

   tā jué​dìng gǎi​xié​guī​zhèng, chóng​xīn zuò​rén.

   He decided to give up his evil ways and start a new life.

   Source: Dong Chinese Dictionary

2. 他曾是个浪子，但现在已经改邪归正了。

   tā céng shì gè làng​zǐ, dàn xiàn​zài yǐ​jīng gǎi​xié​guī​zhèng le.

   He used to be a prodigal son, but he has now turned over a new leaf.

   Source: Dong Chinese Dictionary