megalomaniac

基本解释

He seemed now to be a megalomaniac, his speeches filled with “vehement irrationality” and all power revolving round himself.
现在的卡斯特罗似乎变得狂妄自大，他的演说充斥着“激烈的非理性”，而且还将所有权力包揽于一身。
So, the size of the armies for these megalomaniac wars, these dynastic wars between Austria and France and then they changed partners in 1756, and all of this business.
随着战争的规模也日益增大,各国争相扩军,例如法国与奥地利之间的王朝战争,这两个国家在1756年成为盟友,战争也随之结束了
Ms Loebl does not conceal the conventionalism of Junior, the megalomaniac tendencies of Nelson, or the feuds between the brothers in the third generation.
勒波女士对于诸如小洛克菲勒的墨守成规，尼尔森的狂妄自大，抑或是洛克菲勒第三代的兄弟纷争等事并没有进行遮掩。

So, the size of the armies for these megalomaniac wars, these dynastic wars between Austria and France and then they changed partners in 1756, and all of this business.
随着战争的规模也日益增大,各国争相扩军,例如法国与奥地利之间的王朝战争,这两个国家在1756年成为盟友,战争也随之结束了
耶鲁公开课 - 欧洲文明课程节选
And, so, Louis XIV, who liked to call himself the Sun God, a modest megalomaniac, he sends out officials into the provinces to enforce his will, and these dudes are called intendants--but that doesn't matter, you don't have to remember that.
因此,路易十四,自称为太阳王,一个外表谦虚实则嚣张自大的人,他派一些官员去各省强化他的意志,这些人被称作是监督官,这个不是重点,你们不用记这个
耶鲁公开课 - 1871年后的法国课程节选

This gives them a reference point, without making you look like a self-obsessed megalomaniac.
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It is worth recalling that Hitler's megalomaniac military blunders were even greater than Stalin's.
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If you describe someone as a megalomaniac, you are criticizing them because they enjoy being powerful, or because they believe that they are more powerful or important than they really are.