illusion

名词 illusion:

1. an erroneous mental representation
   同义词：semblance
2. something many people believe that is false
   同义词：fantasy, phantasy, fancy
3. the act of deluding; deception by creating illusory ideas
   同义词：delusion, head game
4. an illusory feat; considered magical by naive observers
   同义词：magic trick, conjuring trick, trick, magic, legerdemain, conjuration, thaumaturgy, deception

1. A mirage is an optical illusion.
   海市蜃楼是一种视错觉。
2. I thought I saw a ghost but it was just an optical illusion.
   我以为我看见鬼了，其实只是一种幻觉。
3. I was under the illusion that he was honest until he was caught stealing some money.
   他偷钱当场被人抓住，在此之前我一直误以为他是个老实人。
4. He cherished the illusion that she loved him, but he was wrong.
   他抱有她爱他的幻觉，但他错了。

il.lu.sion

n.（名词）

An erroneous perception of reality.
错觉，假象：对现实错误的看法
An erroneous concept or belief.
错误的观念：错误的观念或信仰
The condition of being deceived by a false perception or belief.
被错觉蒙蔽的现象：被错误看法或信仰欺骗后所呈现的状态
Something, such as a fantastic plan or desire, that causes an erroneous belief or perception.
幻觉：导致错误的信仰或观点的错误根源，例如一个古怪的计划或欲望
Illusionism in art.
魔术手法：艺术上的错觉艺术手法
A fine transparent cloth, used for dresses or trimmings.
绢网，薄纱：用于衣服或装饰的透明的高质量的布

来源：
Middle English
中古英语
from Old French
源自 古法语
from Late Latin illôsiô illôsiôn-
源自 后期拉丁语 illôsiô illôsiôn-
from Latin [a mocking, irony]
源自 拉丁语 [愚弄，命运的嘲弄]
from illôsus [past participle of] illôdere [to mock]
源自 illôsus [] illôdere的过去分词 [愚弄]
in- [against] * see in- 2
in- [反对] *参见 in-2
lôdere [to play] * see leid-
lôdere [玩弄] *参见 leid-

【引伸】
illu.sional 或
illu.sionar.y
illu.sionless
adj.（形容词）