Pyrrhic victory
US /ˈpɪrɪk ˈvɪktəri/
UK /ˈpɪrɪk ˈvɪktəri/

1.
vitória de Pirro
a victory that is won at such a great cost that it is not really worth winning
:
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Winning the lawsuit was a Pyrrhic victory; the legal fees cost them more than they gained.
Ganhar o processo foi uma vitória de Pirro; as custas judiciais custaram mais do que eles ganharam.
•
The company achieved market dominance, but it was a Pyrrhic victory, as it led to bankruptcy.
A empresa alcançou o domínio do mercado, mas foi uma vitória de Pirro, pois levou à falência.