《史记·七十列传·苏秦列传》
假如秦军渡过黄河，越过漳水，占据番吾，那么，秦、赵两国的军队一定要在邯郸城下作战了。
秦甲渡河逾漳，据番吾，则兵必战於邯郸之下矣。
If Qin's army crosses Yellow River, crosses Zhangshui, and occupies Fanwu, then the armies of Qin and Zhao must fight under Handan city.