《汉书·传·西域传下》
单于失去了西域各国和羌人的支援，从此向远方逃去，沙漠以南没有匈奴的王庭了。
单于失援，由是远遁，而幕南无王庭。
The Chanyu lost the support of the countries in the Western Regions and the Qiang people, and since then fled to the distance, and there was no Xiongnu royal court south of the desert.