showing a strong feeling that you want to have more and more power渴望權力;權欲熏心
The megalomaniac leader finally crowned himself Emperor.這位自大狂領袖最終爲自己加冕爲皇帝。
There was a megalomaniac streak in him that made him believe anything was possible.他有一種自大狂的傾向,這使他相信一切皆有可能。
(specialist)suffering from a mental illness or condition in which somebody has a much greater belief in their own importance or power than is reasonable誇大狂患者