《汉书·传·匈奴传上》
匈奴单于名叫头曼，头曼抵挡不住秦国，就往北迁徙了。
匈奴单于曰头曼，头曼不胜秦，北徙。
The Hun Shanyu, named Touman, could not resist the Qin Dynasty and migrated north.
<s>[INST] First, translate the Classical Chinese text into modern Chinese and then into English. Classical Chinese: 匈奴单于曰头曼，头曼不胜秦，北徙。 [/INST] 匈奴单于名叫头曼，头曼抵挡不住秦国，就往北迁徙了。 Then, The Hun Shanyu, named Touman, could not resist the Qin Dynasty and migrated north.</s>
First, translate the Classical Chinese text into modern Chinese and then into English. Classical Chinese: 匈奴单于曰头曼，头曼不胜秦，北徙。
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匈奴单于名叫头曼，头曼抵挡不住秦国，就往北迁徙了。 Then, The Hun Shanyu, named Touman, could not resist the Qin Dynasty and migrated north.
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