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1·She is worn to a shadow with care.

她忧愁得像瘦鬼一样了。

2·I was studying all the night preparing for today's final exam. So I am worn to a shadow now.

昨天一夜没睡，准备今天的期末考试，所以现在打不起精神。

3·Martin was worn by anxiety and remorse almost to a shadow.

马丁由于焦虑和悔恨，憔悴得不像个样子。