词典释义：
释义
adj.
(of a person or animal)extremely tired; exhausted
疲惫不堪的，精疲力竭的
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you look worn out .你看上去很疲劳。
damaged or shabby to the point of being no longer usable
不能再用（或穿）的；破旧的；耗尽的
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worn-out shoes .一双破鞋。
(of an idea, method, or system)used so often or existing for so long as to be considered valueless
（想法，方法，体系）过时的，陈腐的
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he portrayed the Tories as the party of worn-out ideas. 他将保守党描述成思想陈腐的政党。