They seized the opportunity and scored a crucial goal during their power-play when the opponent was short-handed.

power-play 由 power（力量）和 play（比赛、战术）组成，字面意思是"强力战术"。 在冰球等运动中，power-play 特指"强打"战术，即一方因对方球员被罚下场而获得人数优势时的进攻机会。