《史记·七十列传·鲁仲连邹阳列传》
赵孝成王的时候，秦昭王派遣白起领兵打败赵国长平的军队，先后共斩杀四十多万，于是，秦国的军队向东挺进，围困了赵国都城邯郸。
赵孝成王时，而秦王使白起破赵长平之军前後四十馀万，秦兵遂东围邯郸。
During the reign of King Xiaocheng of Zhao, King Zhaoxiang of Qin sent Bai Qi to lead troops to defeat the Zhao army of Changping, killing more than 400,000 in total. As a result, the Qin army advanced eastward and laid siege to邯郸the capital of the Zhao state. 