throw good money after bad
繼續投資在無望或不明智的事情上
口語·勸誡止損
英文釋義
to continue to invest or spend money on something that is already a lost cause or not worth the effort
例句
Repairing this old car is just throwing good money after bad; it's better to buy a new one.
典故來源
源自18世紀商業用語，指在虧損項目上繼續投入資金，導致更大損失。