《新唐书·列传·卷一百四十三》
正准备出战，仁恭与敬晖弃城去。
仁恭援敬晖，嗣昭壁乐安，欲战，仁恭取敬晖，弃城去。
As he was preparing to go out to fight, Renging and Jinghui abandoned the city.
<s>[INST] Analyze the grammatical structure of the following Classical Chinese sentence and provide its English translation: 吾尝终日不食，终夜不寝，以思，无益，不得已而学焉。 [/INST] Grammatical analysis: [...], English translation: I have tried going all day without food, and all night without sleep, trying to understand this problem but it is no use; so I must study it."</s>
Analyze the grammatical structure of the following Classical Chinese sentence and provide its English translation: 吾尝终日不食，终夜不寝，以思，无益，不得已而学焉。
user
Grammatical analysis: [...], English translation: I have tried going all day without food, and all night without sleep, trying to understand this problem but it is no use; so I must study it."
assistant