“孤”、“寡”是前秦时代小国主、小诸侯的自称。估计是始皇帝叫习惯了,统一中国也没改口,也就当成皇上专用名词一直稀里糊涂叫下去了。 “Solitary ”, “widow ” is the self-proclamation of a small country and a small princes in the pre-Qin era. It is estimated that the beginning of the emperor called accustomed to reunification of China did not change the mouth, it is also known as the emperor has been drowsily called.