2 sentences

1. 他余生都在为自己年轻时犯下的错误赎罪。

   tā yú​shēng dōu zài wèi zì​jǐ nián​qīng shí fàn​xià de cuò​wù shú​zuì.

   He spent the rest of his life atoning for the mistakes he made in his youth.

   Source: Dong Chinese Dictionary

2. 在某些历史时期，罪犯可以通过交纳财物来赎罪。

   zài mǒu​xiē lì​shǐ shí​qī, zuì​fàn kě​yǐ tōng​guò jiāo​nà cái​wù lái shú​zuì.

   In certain historical periods, criminals could expiate their crimes by paying fines.

   Source: Dong Chinese Dictionary