n.错觉；幻觉；妄想；欺骗
Tom was under the delusion that he was a VIP. 汤姆怀有错觉,认为自己是个要人。
He had the delusion that he was a king. 他怀有自己是国王的妄想。
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。
adj.妄想的
