《资治通鉴·晋纪·晋纪三十九》
当初，北燕将领库宫斌投降了北魏，不久又背叛北魏重新归附北燕。
初，燕将库傉官斌降魏，既而复叛归燕。
At that time, the Northern Yan general Kuguo Bin surrendered to the Northern Wei, but he soon betrayed the Northern Wei and returned to Northern Yan.
<s>[INST] Translate the following passage from Classical Chinese to both modern Chinese and English, focusing on preserving the emotional tone in both translations: 初，燕将库傉官斌降魏，既而复叛归燕。 [/INST] Modern Chinese: 当初，北燕将领库宫斌投降了北魏，不久又背叛北魏重新归附北燕。 English: At that time, the Northern Yan general Kuguo Bin surrendered to the Northern Wei, but he soon betrayed the Northern Wei and returned to Northern Yan.</s>
Translate the following passage from Classical Chinese to both modern Chinese and English, focusing on preserving the emotional tone in both translations: 初，燕将库傉官斌降魏，既而复叛归燕。
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Modern Chinese: 当初，北燕将领库宫斌投降了北魏，不久又背叛北魏重新归附北燕。 English: At that time, the Northern Yan general Kuguo Bin surrendered to the Northern Wei, but he soon betrayed the Northern Wei and returned to Northern Yan.
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