1
have a delusion that
He had a delusion that he was a famous actor.
他有一种妄想，认为自己是一位著名演员。
妄想
先理解核心含义，再看它在真实句子里的用法。
妄想
a false belief that is maintained in spite of strong evidence against it
He had a delusion that he was a famous actor.
他有一种妄想，认为自己是一位著名演员。
尽管有确凿证据仍坚信虚假之事
An adamant belief in a falsehood despite incontestable evidence.
妄想
(psychology) an erroneous belief that is held in the face of evidence to the contrary
被欺骗或误导的状态,或欺骗他人的过程
The state of being deluded or misled, or process of deluding somebody.
错觉；谬见
a mistaken or unfounded opinion or idea
He has the delusion that his coworkers are always laughing at him.
他有一种妄想，认为同事总是在嘲笑他。
AI contextual example
Her delusions about being able to fly made her climb onto the rooftop.
她认为自己能飞的妄想让她爬上了屋顶。
AI contextual example
He was under the delusion that the exam had been cancelled, so he didn't study.
他误以为考试取消了，所以没有学习。
AI contextual example
he has delusions of competence
他怀有自己能力出众的妄想。
WordNet
He had a delusion that he was a famous actor.
他有一种妄想，认为自己是一位著名演员。
表示错误地相信某事。
She was under the delusion that everyone was watching her.
她误以为每个人都在看她。
一种认为自己是重要人物的妄想。
The dictator suffered from delusions of grandeur.
这位独裁者患有夸大妄想。
Not this
He delusioned that he could fly.
Use this
He had a delusion that he could fly.
delusion 是名词，不能用作动词。应使用 'have a delusion' 或动词 'delude'。
Not this
The magician created a delusion of a rabbit.
Use this
The magician created an illusion of a rabbit.
delusion 指错误的信念，而 illusion 指错觉或假象，两者含义不同。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
夸大妄想
He has delusions of grandeur, believing he is a king.
他有夸大妄想，认为自己是国王。
被害妄想
The patient described vivid delusions of persecution.
病人描述了活灵活现的被害妄想。
误以为；抱有……的错误念头
He was under the delusion that he had won the lottery.
他误以为自己中了彩票。
患有妄想症；受妄想困扰
She suffers from delusions and cannot tell what is real.
她受妄想困扰，无法分辨什么是真实的。
怀有妄想
He has delusions that someone is controlling his thoughts.
他怀有妄想，认为有人在控制他的思想。
妄自尊大；自大妄想
After his first minor success, he began to have delusions of grandeur.
在第一次小小的成功之后，他开始妄自尊大。
误以为；怀有……的错觉
He was under the delusion that she liked him.
他误以为她喜欢他。
怀有错误想法；受妄想影响
They are labouring under the delusion that the old methods still work.
他们错误地以为老办法仍然管用。
Use delusion naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 delusion 想成 illusion(幻觉)前加'd'，死死(d)咬定幻觉不放，便是妄想。
语域：mixed 常见场景：心理学/精神医学、正式书面语 delusion 是比较正式或专业的用词；在心理学中常指‘妄想’，日常口语里通常可用 mistaken belief、false idea 等表达。请根据场合选用。
可数名词，常与of或about连用
Dictionary facts from ECDICT, WIKTIONARY.