柯林斯词典iron man 1. N an event at a surf carnival in which contestants compete at swimming, surfing, running, etc 铁人赛; 冲浪嘉年华的一项竞赛，参赛者须参加游泳、冲浪、跑步等比赛项目 返回 iron man剑桥词典a person of great physical strength and the ability to continue doing something difficult for a long time 铁人，硬汉 返回 iron man