《资治通鉴·魏纪·魏纪四》
魏延常说诸葛亮胆怯，叹息抱怨自己的才干没有得到充分发挥。
延常谓亮为怯，叹恨己才用之不尽。
Wei Yan had always said that Zhuge Liang was timid, and had sighed because his talent was not being fully used.
<s>[INST] 对于下面每对文言文和现代汉语段落, 请创作一个能够体现核心信息的英语翻译: 文言文: 延常谓亮为怯，叹恨己才用之不尽。 现代汉语: 魏延常说诸葛亮胆怯，叹息抱怨自己的才干没有得到充分发挥。 [/INST] Wei Yan had always said that Zhuge Liang was timid, and had sighed because his talent was not being fully used.</s>
对于下面每对文言文和现代汉语段落, 请创作一个能够体现核心信息的英语翻译: 文言文: 延常谓亮为怯，叹恨己才用之不尽。 现代汉语: 魏延常说诸葛亮胆怯，叹息抱怨自己的才干没有得到充分发挥。
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Wei Yan had always said that Zhuge Liang was timid, and had sighed because his talent was not being fully used.
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