潘婕的回答：
后悔莫及: 1. too late to repent http://sh.dict.cn/search/?q=%BA%F3%BB%DA%C4%AA%BC%B0&r=%CB%FB%BA%F3%BB%DA%C4%AA%BC%B0
殷琦的回答：
后悔莫及: 1. too late to repent http://sh.dict.cn/search/?q=%BA%F3%BB%DA%C4%AA%BC%B0&r=%CB%FB%BA%F3%BB%DA%C4%AA%BC%B0
very的回答：
后悔莫及的英文 后悔莫及 [词典] too late to repent; cry over spilt milk; repent when too late; you will be sorry when it is too late; one"s remorse will be too late;
朱婉清的回答：
He regreted a lot but has no idea.
管婷婷的回答：
