ın a class of its own; one of a kind

listen to the pronunciation of ın a class of its own; one of a kind
Английский Язык - Английский Язык

Определение ın a class of its own; one of a kind в Английский Язык Английский Язык словарь

In class="word-self">a class of its own; one of class="word-self">a kind.
sui generis

We see him as he sees himself, surveying the invisible depths of ethical space, with all the distinction of a specialist in the sui generis.