worn-out sack已磨损的口袋
worn-out engine磨损的发动机
worn-out subtypes情绪衰竭型
worn-out equipment磨损了的设备
worn-out dress破衣裳
Be worn-out筋疲力尽
Worn-out appearance磨痕形貌
gear worn-out齿轮磨损
become worn-out衰落;凋谢;破旧
ADJ（形容词） Something that is worn out is so old, damaged, or thin from use that it cannot be used anymore. 破旧不堪的; 报废的
Car buyers tend to replace worn-out tyres with the same brand.
汽车的买主们倾向于用同一品牌的轮胎更换废旧轮胎。
ADJ（形容词） Someone who is worn out is extremely tired after hard work or a difficult or unpleasant experience. 疲惫不堪的
Before the race, he is fine. But afterwards he is worn out.
比赛前，他状态良好。但在赛后，他就疲惫不堪了。