《宋书·志·卷十六》
是说二十七个月掸祭之后，当春、夏、秋、冬四时祭祀时，没有将他的妃子配祭，是没有忘记哀伤。
谓二十七月既禫祭，当四时之祭日，则未以其妃配，哀未忘也。
It means that after the dust cleansing sacrifice 27 months later, the princess was not attended to in the four seasonal sacrifices in spring, summer, autumn and winter, indicating that the sadness was not forgotten.
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 是说二十七个月掸祭之后，当春、夏、秋、冬四时祭祀时，没有将他的妃子配祭，是没有忘记哀伤。 [/INST] 谓二十七月既禫祭，当四时之祭日，则未以其妃配，哀未忘也。</s>
Convert the following modern Chinese text into Classical Chinese: 是说二十七个月掸祭之后，当春、夏、秋、冬四时祭祀时，没有将他的妃子配祭，是没有忘记哀伤。
user
谓二十七月既禫祭，当四时之祭日，则未以其妃配，哀未忘也。
assistant