这句话明显有语法错误 主句 will be too late 前没有主语.还有 从句的循序应该改成：When I see what things in the life are worth to pursue one day.
所以连起来是:
It will be too late when I see what things in the life are worth to pursue one day.
当我某天意识到一生中哪些事情是值得追求的,已为时已晚.