《资治通鉴·汉纪·汉纪二十二》
成帝也正在为没有继嗣而忧愁，就采纳了平当的建议。
上亦以无继嗣，遂纳当言。
Emperor Cheng was also worried that he had no heir, so he adopted Ping Dang's suggestion.
<s>[INST] Convert the following English text into Classical Chinese: Emperor Cheng was also worried that he had no heir, so he adopted Ping Dang's suggestion. [/INST] 上亦以无继嗣，遂纳当言。</s>
Convert the following English text into Classical Chinese: Emperor Cheng was also worried that he had no heir, so he adopted Ping Dang's suggestion.
user
上亦以无继嗣，遂纳当言。
assistant