《南史·列传·卷七十七》
后来天象反常，史官奏称应祭天以消灾。
其后玄象失度，史官奏宜修祈禳之礼。
Later, when there were abnormal celestial phenomena, the court historians submitted a memorial saying that sacrifices to Heaven should be performed to avert disasters.
<s>[INST] 将以下现代汉语文本转换为文言文: 后来天象反常，史官奏称应祭天以消灾。 [/INST] 其后玄象失度，史官奏宜修祈禳之礼。</s>
将以下现代汉语文本转换为文言文: 后来天象反常，史官奏称应祭天以消灾。
user
其后玄象失度，史官奏宜修祈禳之礼。
assistant