《汉书·传·李广苏建传》
单于断了汉军后路，就山势下投垒石，士兵伤亡惨重，不能行进。
单于遮其后，乘隅下垒石，士卒多死，不得行。
The Chanyu cut off the Han army's rear route and threw stones from the mountains, causing heavy casualties among the soldiers, who could not advance.
<s>[INST] 请将下面的文言文翻译成英语: 单于遮其后，乘隅下垒石，士卒多死，不得行。 [/INST] The Chanyu cut off the Han army's rear route and threw stones from the mountains, causing heavy casualties among the soldiers, who could not advance.</s>
请将下面的文言文翻译成英语: 单于遮其后，乘隅下垒石，士卒多死，不得行。
user
The Chanyu cut off the Han army's rear route and threw stones from the mountains, causing heavy casualties among the soldiers, who could not advance.
assistant