n.

1. 迷惑，欺骗[U]
2. 受骗，上当[U]
3. 误会，错觉；妄想症[C]
   Carson suffers from delusions.

   卡森患有妄想症。

   Tom was under the delusion that he was a VIP.

   汤姆怀有错觉，认为自己是个要人。

n.

1. an idiosyncratic belief or impression that is not in accordance with a generally accepted reality.
2. the action of deluding or the state of being deluded.