1. A victory that is meaningless, pyrrhic, or comes at too great a cost to be considered a true success
Winning the case was a hollow victory because it cost him his reputation.
Vencer o caso foi uma vitória oca porque custou sua reputação.
2. A triumph that lacks substance or real value despite appearing successful on the surface
The team achieved a hollow victory after winning through controversial refereeing decisions.
O time conquistou uma vitória oca após vencer por decisões arbitrais controversas.