1. A decision or judgment that is made by a narrow margin, where the outcome could have easily gone either way
The judge's close decision to award the contract to the smaller company surprised many observers.
A decisão apertada do juiz de conceder o contrato à empresa menor surpreendeu muitos observadores.
2. In sports, a victory achieved by a small margin, often determined by judges or a single point
It was a close decision, but the boxer won the match by one point.
Foi uma decisão apertada, mas o boxeador venceu a luta por um ponto.