down the drain
付諸東流,白費,白白浪費掉
口語·形容努力或金錢付諸東流
英文釋義
wasted or lost; irrecoverable or pointless expenditure or effort
例句
All our hard work went down the drain when the project was canceled suddenly.
典故來源
源自水流入下水道的意象,比喻努力或資源像水一樣被白白浪費掉。