megalomania [ˌmɛɡəloˈmeniə, -ˈmenjə]

例句:

• We pretended that his temper, megalomania and vindictiveness didn't exist.
  来自THETIMES
• Early success may lead to megalomania.
  少年得志可能导致妄自尊大.
  
• It was probably just a wild idea of Chao Po - tao's, reinforced by American bourgeois megalomania.
  那多半是赵伯韬他们的幻想, 加上了美国资产阶级的夸大狂.
  
• If it can cure nothing else, it can cure man of megalomania.
  它如果不能治愈别的疾病, 至少能够治愈人类的狂妄自大的病.
  
• The man borders on megalomania, and a setback or compromise of any sort seems to be viewed as a personal attack on him.
  来自WSJ