《新唐书·列传·卷九十九》
杨于陵老了，他请求去侍奉皇帝不让。
于陵老，求侍不许。
When Yang Yuling became old, he requested to retire, but the emperor did not allow it.
<s>[INST] Provide a modern Chinese interpretation of the following Classical Chinese passage: 于陵老，求侍不许。 [/INST] 杨于陵老了，他请求去侍奉皇帝不让。</s>
Provide a modern Chinese interpretation of the following Classical Chinese passage: 于陵老，求侍不许。
user
杨于陵老了，他请求去侍奉皇帝不让。
assistant