de·lu·sion /dɪˈluːʒən/ noun 1 [countableC, uncountableU]BELIEVE a false belief about yourself or the situation you are in 错觉;妄想under a delusion (that) He is under the delusion that I am going to cheat him. 他有错觉,以为我要欺骗他。
2. delusions of grandeur PROUDthe belief that you are much more important or powerful than you really are 妄自尊大delusions of grandeur• Even if social analysis is something which everyone does, those who engage in it professionally are still tempted by delusions of grandeur.• No, the 42-year-old composer does not suffer from delusions of grandeur.• At first sight it would appear that the world of hip-hop is suffering from delusions of grandeur.• Once again, he was suffering from delusions of grandeur.• Maybe I had delusions of grandeur.• The classical progression is then to delusions of grandeur with absurd claims of past and present achievements.• But these were delusions of grandeur.• In the acute excitement stages, when delusions of grandeur, loquacity and hyperactivity prevail, the patients require physical restraint. —delusive /-sɪv/ adjectiveadj
—delusional adjectiveadj