《汉书·传·匈奴传上》
匈奴听说汉军到了，便撤退了。
匈奴闻汉兵至，引去。
The Xiongnu heard that the Han army had arrived, so they retreated.
<s>[INST] Translate the following Classical Chinese text into modern Chinese: 匈奴闻汉兵至，引去。 [/INST] 匈奴听说汉军到了，便撤退了。</s>
Translate the following Classical Chinese text into modern Chinese: 匈奴闻汉兵至，引去。
user
匈奴听说汉军到了，便撤退了。
assistant