《史记·七十列传·卫将军骠骑列传》
这时，大行李息率兵在黄河岸边筑城，见到浑邪王的使者，立即就命令传车急驰而归，向皇帝报告。
是时大行李息将城河上，得浑邪王使，即驰传以闻。
At this time, the Grand General, Xi, led troops to build a city on the bank of the Yellow River, and when he saw the King of Xiongnu's messengers, he immediately ordered the carriages to drive quickly and return to report to the emperor.