tā / nián / qīng / shí / chén / nì / yú / yín / lè / hòu / lái / cái / jué / xīn / gǎi / guò / zì / xīn

他年轻时沉溺于淫乐，后来才决心改过自新。

He indulged in depraved pleasures when he was young, and only later resolved to reform.