《宋书·列传·卷八十四》
刘胡说： 他们能逆流越过我们在上游扎营，我们为什么不能沿流而下在他们下面扎营呢？ 
胡曰： 彼尚得溯流越我而上，此运何以不得沿流越彼而下邪！ 
Liu Hu said, "They can go upstream and set up camp above us. Why can't we go downstream and set up camp below them?"
<s>[INST] Convert the following English text into Classical Chinese: Liu Hu said, "They can go upstream and set up camp above us. Why can't we go downstream and set up camp below them?" [/INST] 胡曰： 彼尚得溯流越我而上，此运何以不得沿流越彼而下邪！ </s>
Convert the following English text into Classical Chinese: Liu Hu said, "They can go upstream and set up camp above us. Why can't we go downstream and set up camp below them?"
user
胡曰： 彼尚得溯流越我而上，此运何以不得沿流越彼而下邪！
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