Worn out这个词不太正式，多用于口语。 The troops were wornout after winning the battle.
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这个词不太正式
This word is not very formal
以上为机器翻译结果，长、整句建议使用 人工翻译 。
尽管我觉得它不太正式，但是我猜你以前一定用过这个词吧。
I don't think it's very formal.But still, I'm guessing that you may have used it in the past.
youdao
I don't think it's very formal. But still, I'm guessing that you may have used it in the past.
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