throw good money after bad
US /θroʊ ɡʊd ˈmʌn.i ˈæf.tər bæd/
UK /θroʊ ɡʊd ˈmʌn.i ˈæf.tər bæd/
1.
把好钱扔进坏钱里, 白白浪费钱
to waste money by spending more on something that has already been unsuccessful
:
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Investing more in that failing business would be like throwing good money after bad.
再往那个失败的企业投资，就等于是把好钱扔进坏钱里。
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She realized she was just throwing good money after bad trying to fix the old car.
她意识到她只是在白白浪费钱去修理那辆旧车。