历代学者对《过秦论》中“常以十倍之地,百万之众,仰关而攻秦”句中是“仰关”还是“叩关”各呈己见、莫衷一是,今试为之辨正。《过秦论》被收入《汉书》后,因其多用僻字古词,比较难懂,东汉末年已有学者为之训释文字、讲解音义,至隋末唐初颜师古汇集前人23家注释,作《汉书》新注。颜氏认为“秦之地形高,而诸侯之兵欲攻关中者皆仰向,故云仰关也。今流俗书本仰字作叩,非也”。此处应作 Scholars of the ages have expressed their views in the “Qin Dynasty” on “ten times of land, millions of people, and playing against the Qin and Qin’s sentences”. There is no consensus that this test is correct. After Qin Qin was collected in the Han Dynasty, it was difficult to understand because of its use of ancient Chinese characters. At the end of the Eastern Han Dynasty, scholars used it to interpret the text and explain the meaning of sound and meaning. Notes, as a new note to Hanshu. Yan Shi thinks that “the topography of Qin is high, and those soldiers of the princes are all looking forward to attacking, so Yun Yang Guan also. This is a popular book for Yang, but also”. Here should be