megalomania
/ˌmeɡələˈmeɪniə/ 9Megalomania is the belief that you are more powerful and important than you really are. Megalomania is sometimes a mental illness. 自大狂
noun [专属名词][内科] 夸大狂；狂妄自大
Taxpayers bear the cost of guaranteeing this fruit of megalomania. 承保这一自大狂成果的费用由纳税人负担。
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