a person who gambles very large amounts of money, either on the stock exchange or in clubs where you play games for money (casinos) 豪赌者；挥霍者◆City high rollers 伦敦城里的豪赌者◆the high rollers that flock to Las Vegas 聚集在拉斯维加斯的豪赌者
an important person who earns or spends a great deal of money 豪客；（大户）玩家；挥金如土的人◆a meeting of high-tech high rollers 高科技大亨的聚会