他年轻时沉迷享乐、醉生梦死，后来才意识到自己荒废了最宝贵的时间。
When he was young, he indulged in pleasure and led a life of drunken stupor, only later realizing that he had wasted his most precious time.
When he was young, he indulged in pleasure and led a life of drunken stupor, only later realizing that he had wasted his most precious time.