megalomania
US /ˌmeɡ.əl.əˈmeɪ.ni.ə/
UK /ˌmeɡ.əl.əˈmeɪ.ni.ə/
1.
自大狂, 夸大妄想
a mental illness or condition in which a person has a strong desire for power and believes that they are very important and powerful
:
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His megalomania led him to believe he was destined to rule the world.
他的自大狂使他相信自己注定要统治世界。
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The dictator's megalomania grew with each victory.
独裁者的自大狂随着每一次胜利而增长。