《太平广记·卷一百六十八·气义三》
郑怀古闲住在东都，与柳当将军的关系很密切。
郑还古，东都闲居，与柳当将军者甚熟。
Zheng Haogu was a recluse in Dongdu and was very close with General Liu Dang.
<s>[INST] Transpose the following Modern Chinese text into Classical Chinese: 郑怀古闲住在东都，与柳当将军的关系很密切。 [/INST] 郑还古，东都闲居，与柳当将军者甚熟。</s>
Transpose the following Modern Chinese text into Classical Chinese: 郑怀古闲住在东都，与柳当将军的关系很密切。
user
郑还古，东都闲居，与柳当将军者甚熟。
assistant