《史记·七十列传·大宛列传》
自从博望侯张骞死后，匈奴听说汉朝和乌孙有了往来，很气愤，想攻打乌孙。
自博望侯骞死後，匈奴闻汉通乌孙，怒，欲击之。
After Marquis of Bowang Zhang Qian died, the Xiongnu, having heard that the Han Dynasty had begun to communicate with Wusun, became very angry and wanted to attack Wusun.