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6页（192字）
比喻前功尽弃或希望落空，例尽管你费了那么多的心血、时间和金钱，结果却全部付之东流!
To think all your plans have come to nothing，in spite of all your painstaking labour，time and money．