Как по Английски будет sogenannt

adjective

Named or called in a particular way

Примеры использования:

Married taxpayers are hit hard by the so-called marriage penalty., these so-called experts don’t kn…

adjective

Used to say that someone claims to be a particular thing, especially when you do not accept that person's claim. soi-disant comes from french

Примеры использования:

A soi-disant literary critic