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
尽管有确凿证据仍坚信虚假之事；被欺骗或误导的状态,或欺骗他人的过程；错觉；谬见；虚假或妄想的信念；错误信仰；欺骗；迷惑
a false belief that is maintained in spite of strong evidence against it
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
虚假或妄想的信念；错误信仰
That which is falsely or delusively believed or propagated; false belief; error in belief.
欺骗；迷惑
the act of deluding; deception by creating illusory ideas
违背证据的强烈信念
A strong belief contrary to evidence.
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。
用法提示：delusion 为可数名词，与 has 搭配表示‘抱有某种妄想’，that 从句说明妄想的具体内容。
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。
用法提示：delusions 是复数形式，作句子主语，指多种脱离现实的错误信念。
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。
用法提示：under the delusion 是固定搭配，delusion 为名词，表示‘处于某种错误信念中’。
AI contextual example
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。
比 delusion 程度轻，常指感官或表面印象造成的错误，不一定顽固；在精神病学语境中不宜替换。
强调因理解不全面而产生的错误观点，语气较弱，不含在证据面前仍坚信的意味。
侧重逻辑推理上的错误，多用于论证或观点，理性色彩强，不如 delusion 强调信念的固执。
正式用词，指对情况理解有误，通常可被证据纠正，语气比 delusion 弱得多。
grammar · medium
易错句子He delusioned that he could fly.
正确表达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'。
grammar · medium
易错句子The magician created a delusion of a rabbit.
正确表达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。
delusion 是心理上的错误信念，illusion 是感官上的错觉
delusion 是认知层面的妄想，hallucination 是感官层面的虚假感知
delusion 是心理信念，mirage 是自然光学现象
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。
-sion
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-sion
前缀，表示“离开/向下/否定”；同前缀词：decrease, depart, deceive
词根，源自拉丁语 ludere；同根词：illusion, ludicrous, elude
名词后缀，表示“行为/状态/结果”；同后缀词：decision, confusion
常与妄想相伴，指怀疑他人敌意或被迫害的心理状态，是妄想症的常见表现。
指严重的心理异常状态，妄想是其中常见的症状之一。
与妄想不同，幻觉是感官层面的错误知觉，但两者都可见于精神疾病。
一种精神疾病，妄想和幻觉等都是其典型症状。
常见于“被害妄想”的说法，指认为被他人或团体伤害的错误信念。
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。
Dictionary facts from ECDICT, WIKTIONARY.