《汉书·传·匈奴传上》
匈奴日益骄横，每年都入侵边境，许多百姓被杀戮，以云中郡和辽东郡最严重，每郡被杀的有一万多人。
匈奴日以骄，岁入边，杀略人民甚众，云中、辽东最甚，郡万余人。
The Huns grew increasingly arrogant, invading the border every year, and killing many civilians, Yunzhong and Liaodong commanderies being the most affected, with over ten thousand killed in each commandery.