2N-UNCOUNT 妄想;幻想Delusion is the state of believing things that are not true. 妄想;幻想
This was not optimism, it was delusion.
这不是乐观,这是妄想。
3PHRASE 妄自尊大;自以为是 If someone has delusions of grandeur, they think and behave as if they are much more important or powerful than they really are. 妄自尊大;自以为是 [disapproval]
He suggested that we suffer delusions of grandeur as a football nation.
他暗示我们妄自尊大地以为自己是个足球民族。
...mansions built by men with delusions of grandeur.
ADJECTIVE | VERB + DELUSION | PREPOSITION | PHRASESADJECTIVE➤dangerous危險的錯覺▸➤paranoid偏執妄想➤collective, mass, popular (especially NAmE) 集體/大眾/普遍的錯覺◇He dismissed the so-called miracle as a collective delusion.他認為這個所謂的奇跡只是一種集體錯覺,不值一提。VERB + DELUSION➤get, harbour/harbor, have, suffer, suffer from有錯覺;患妄想症◇The psychiatrist said she was suffering from paranoid delusions.心理醫生說她患了偏執妄想症。PREPOSITION➤under a/the delusion懷有錯覺◇He seemed to be under the delusion that he would make his fortune within a few years.他似乎幻想着幾年內會發財。➤delusion about關於⋯的幻想◇He had no delusions about his feelings for Kate.他對自己對凱特的情感不抱幻想。➤delusion of⋯的錯覺◇She had delusions of persecution.她有受迫害的錯覺。PHRASES➤delusions of grandeur (= a belief that you are more important than you actually are)妄自尊大◇Don't go getting delusions of grandeur.別妄自尊大。