1ADJ 大赛的;大奖赛的 In sport, a Grand Slam tournament is a major one. 大赛的;大奖赛的
...her 39 Grand Slam titles.
她的39项大赛冠军头衔
Grand Slam is also a noun.
It's my first Grand Slam and I was hoping to make a good impression.
那是我首次参加大奖赛，我当时希望能表现出色。
2N-COUNT （棒球、橄榄球等运动中）大满贯 If someone wins a Grand Slam, they win all the major tournaments in a season in a particular sport, for example in rugby or tennis. （棒球、橄榄球等运动中）大满贯