zhè / cì / shì / gù / ràng / tā / gǎi / biàn / le / shēng / huó / fāng / shì / zhēn / shì / bù / xìng / zhī / xìng

这次事故让他改变了生活方式，真是不幸之幸。

The accident changed his lifestyle, so it was a blessing in disguise.