in a class by itself

“All countries have their peculiarities and charms and rough edges but, to me, Cuba was in a class by itself.”

The No. 24 Camaro was in a class by itself racing against no other cars.

Ivins, the late legendary political commentator and humorist, called it a "publication in a class by itself" in the 2004 book "Fifty Years of the Texas Observer."

The airport in Doha has shopping, restaurants and an indoor green space that’s in a class by itself.

But when it comes to undercounting, China has been in a class by itself.