allusion 暗示
1. He resents any allusion to his baldness.
他讨厌人家影射他秃顶。
2. His writings are full of classical allusions.
他的著作里用了很多典故。
illusion 幻觉
1. 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。
2.He is under the illusion that his position is secure.
他误以为他的地位很稳固。
delusion 迷惑,欺瞒,错觉
1. He has delusions of grandeur.
他自以为很了不起。
2. His arguments sound convincing but they're based on delusion.
他的论据听起来似乎有理，但根本上是欺骗性的。
elusion 逃避
