《北齐书·本纪·卷八》
二十七日，太上皇帝诏兼散骑常侍郑大护出使陈朝。
癸亥，太上皇帝诏兼散骑常侍郑大护使于陈。
On the 27th, the Retired Emperor decreed that Zheng Dahuo, also a Regular Attendant to the Emperor, should be sent to the Chen Dynasty as an envoy.
<s>[INST] Break down the structure and provide an English interpretation of the presented Classical Chinese phrase: 癸亥，太上皇帝诏兼散骑常侍郑大护使于陈。 [/INST] English interpretation: On the 27th, the Retired Emperor decreed that Zheng Dahuo, also a Regular Attendant to the Emperor, should be sent to the Chen Dynasty as an envoy., Structural analysis: 癸亥：the cyclical date, corresponding to the 27th day of the tenth lunar month 太上皇帝：the Retired Emperor 诏：imperial edict 兼：also 散骑常侍：a Regular Attendant to the Emperor 郑大护：Zheng Dahuo 使于陈：to be sent to the Chen Dynasty as an envoy</s>
Break down the structure and provide an English interpretation of the presented Classical Chinese phrase: 癸亥，太上皇帝诏兼散骑常侍郑大护使于陈。
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English interpretation: On the 27th, the Retired Emperor decreed that Zheng Dahuo, also a Regular Attendant to the Emperor, should be sent to the Chen Dynasty as an envoy., Structural analysis: 癸亥：the cyclical date, corresponding to the 27th day of the tenth lunar month 太上皇帝：the Retired Emperor 诏：imperial edict 兼：also 散骑常侍：a Regular Attendant to the Emperor 郑大护：Zheng Dahuo 使于陈：to be sent to the Chen Dynasty as an envoy
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