throw good money after bad
成語所屬單字money
throw good money after bad — 慣用語
1. To spend more money on something that has already wasted a lot of money.
1.慣用語
釋義
賠了夫人又折兵
To spend more money on something that has already wasted a lot of money.
例句
Repairing that old car is throwing good money after bad.
Don't throw good money after bad by investing more in that failing business.