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라는 거

that it is

→ 이다
phrase Rare #30,061
that it is A conversational form of 라는 것, used to present an identification or statement as something known, admitted, or asked about.
KO: 그가 범인이라는 거 알아?
EN: Do you know that he’s the culprit?

누가 그 아키라 라는 거 본 적은 있어?

Have you ever seen that Akira person?

— 아키라 (1988)