《后汉书·列传·南匈奴列传》
陈龟认为单于未能管好部下，就逼迫单于，单于和弟弟左贤王都自杀了。
龟以单于不能制下，逼迫之，单于及其弟左贤王皆自杀。
Chen gui believed that Shan Yu had failed to manage his men, so he coerced Shan Yu, and both Shan Yu and his younger brother Zuo Xian Wang committed suicide.
<s>[INST] Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 龟以单于不能制下，逼迫之，单于及其弟左贤王皆自杀。 Updated: 陈龟认为单于未能管好部下，就逼迫单于，单于和弟弟左贤王都自杀了。 [/INST] Chen gui believed that Shan Yu had failed to manage his men, so he coerced Shan Yu, and both Shan Yu and his younger brother Zuo Xian Wang committed suicide.</s>
Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 龟以单于不能制下，逼迫之，单于及其弟左贤王皆自杀。 Updated: 陈龟认为单于未能管好部下，就逼迫单于，单于和弟弟左贤王都自杀了。
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Chen gui believed that Shan Yu had failed to manage his men, so he coerced Shan Yu, and both Shan Yu and his younger brother Zuo Xian Wang committed suicide.
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