(scratching) And number one is the Fregoli Delusion.

（抓挠）第一个是 Fregoli 错觉。

The most severe of these is the Fregoli Delusion.

其中最严重的是 Fregoli 错觉。

Sufferers of the Fregoli Delusion believe that several people are actually one person in disguise who is trying to trick them for some unknown reason.

Fregoli 错觉的患者认为，有几个人实际上是一个伪装的人，出于某种未知原因试图欺骗他们。