柯林斯詞典iron man 1. N an event at a surf carnival in which contestants compete at swimming, surfing, running, etc 鉄人賽; 沖浪嘉年華的一項競賽，蓡賽者須蓡加遊泳、沖浪、跑步等比賽項目 返回 iron man劍橋詞典a person of great physical strength and the ability to continue doing something difficult for a long time 鉄人，硬漢 返回 iron man