《晋书·帝纪·第六章》
当天夜里月光明亮，警戒严密，元帝无法脱身，处境窘迫。
其夜月正明，而禁卫严警，帝无由得去，甚窘迫。
That night, the moon was bright and the guards were strict. Emperor Yuan could not escape, and his situation was very difficult.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 其夜月正明，而禁卫严警，帝无由得去，甚窘迫。 [/INST] That night, the moon was bright and the guards were strict. Emperor Yuan could not escape, and his situation was very difficult.</s>
Explain the meaning of this Classical Chinese passage in English: 其夜月正明，而禁卫严警，帝无由得去，甚窘迫。
user
That night, the moon was bright and the guards were strict. Emperor Yuan could not escape, and his situation was very difficult.
assistant