问这2个词的区别,相信你看英语解释不成问题.下面是OALD和AHT的释义:delusion1[C] a false belief or opinion about yourself or your situation:例:the delusions of the mentally ill * Don't go getting delusions of grandeur (= a belief that you are more important than you actually are). * He was suffering from paranoid delusions and hallucinations. * Love can be nothing but a delusion.2[U] the act of believing or making yourself believe sth that is not true:例:He seems to have retreated into a world of fear and delusion.3[U]Psychiatry A false belief strongly held in spite of invalidating evidence, especially as a symptom of mental illness:【精神病学】 妄想症：一种强烈的虚幻的信念，即使有使之无效的证据也毫不动摇，特指一种精神病症状：delusions of persecution.迫害幻想症illusion1[C,U] a false idea or belief, especially about sb or about a situation:I have no illusions about her feelings for me (= I know the truth is that she does not love me). * She's under the illusion that (= believes wrongly that) she'll get the job. * He could no longer distinguish between illusion and reality. * I don't want to have my illusions shattered!2[C] something that seems to exist but in fact does not, or seems to be sth that it is not:Mirrors in a room often give an illusion of space. * The idea of absolute personal freedom is an illusion.see also OPTICAL ILLUSION
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