《资治通鉴·唐纪·唐纪五十六》
大家又惆帐，又恼恨，只有李欢快地说： 这正是我的计策啊！ 
众皆怅恨，愬独欢然曰： 此吾计也！ 
Everyone was sad and resentful, only Li said happily: This is exactly my plan!
<s>[INST] 对于下列每组文言文和现代汉语句子, 请提供一个能够准确表达两者本质的英语翻译: 文言文: 众皆怅恨，愬独欢然曰： 此吾计也！  现代汉语: 大家又惆帐，又恼恨，只有李欢快地说： 这正是我的计策啊！  [/INST] Everyone was sad and resentful, only Li said happily: This is exactly my plan!</s>
对于下列每组文言文和现代汉语句子, 请提供一个能够准确表达两者本质的英语翻译: 文言文: 众皆怅恨，愬独欢然曰： 此吾计也！  现代汉语: 大家又惆帐，又恼恨，只有李欢快地说： 这正是我的计策啊！
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Everyone was sad and resentful, only Li said happily: This is exactly my plan!
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