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。...

磨穿，疲乏...

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]...