2 sentences

1. 他坐过几次牢，但近来似乎已改过自新。

   tā zuò guo jǐ​cì láo, dàn jìn​lái sì​hū yǐ gǎi​guò​zì​xīn.

   He has been in jail several times, but recently he seems to have turned over a new leaf.

   Source: UM-Corpus: Spoken

2. 他是一名改过自新的小偷和电子专家。

   tā shì yī​míng gǎi​guò​zì​xīn de xiǎo​tōu hé diàn​zǐ zhuān​jiā.

   He is a reformed thief and an electronics expert.

   Source: CCMatrix