《晋书·志·第二章》
不久，桓玄攻克京都，王师大败。
未几，桓玄克京都，王师败绩。
Shortly after, Huan Xuan had invaded the capital and defeated the royal guards.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 未几，桓玄克京都，王师败绩。 [/INST] Shortly after, Huan Xuan had invaded the capital and defeated the royal guards.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 未几，桓玄克京都，王师败绩。
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Shortly after, Huan Xuan had invaded the capital and defeated the royal guards.
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