付之东流
词典all one’s efforts wasted
词典be irrevocally lost as sth. is thrown into the eastward flowing stream
词典付之东流
词典cast to the winds：抛到九霄云外，不再考虑；付诸东流。
1. 付之东流的反义词
1. go down the drain：10) cutoff date 截止期 | 1) go down the drain 付之东流 | 2) without a hitch 顺利地