While the accused was in his institution, he suffered from megalomania.在监狱中时，被告患有夸大症。Hitler's megalomania was rightly seen as Germany's undoing.希特勒对权力的极度渴望无疑被认为是德国的祸根。Their CEO has an arrogance that borders on megalomania.他们的首席执行官非常傲慢，近乎狂妄自大。Early success may lead to megalomania.少年得志可能导致妄自尊大。