出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第68页（266字）
比喻事已成定局，无法再挽回；也用来表示关系断绝之后，难以复合，例他们早已分居，调解也无效，覆水难收，只有各奔前程。
They have been separated for a long time and there’s no hope of a reconciliation．What’s the use of crying over spilt milk?Each has to find his or her own way．