triple crown
noun
1
Triple Crown
an award or honour for winning a group of three important events in a sport, in particular (in rugby union) victory by one of the four British home countries over all the other three in the same season三连冠（连赢三次重要比赛的奖励或荣誉, 尤指在橄榄球联赛同一赛季中击败其他三个同为英国本国队的胜利）。
2
- the papal tiara（教皇的）三重冕。