Before the race, he is fine. But afterwards he is worn out.赛前他状态很好，赛后就筋疲力尽了。"You're worn out, Laura," he said. "Go home and get some rest."“你太累了，劳拉，”他说，“回家休息一下吧。”These shoes are worn out.这双鞋破得不能再穿了。...

worn out的音标：worn out的英式发音音标为：[wɔ:n aut]worn out的美式发音音标为：[wɔrn aʊt]...

磨穿，疲乏...