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이 따로 없군

… is nothing short of

→ 이
phrase Rare #24,854
… is nothing short of Used after a noun to emphasize that something is an outstanding example of it, or just like it. The ending 군 gives the statement an exclamatory tone.
KO: 이곳은 겨울에 천국이 따로 없군.
EN: This place is nothing short of heaven in winter.

천국이 따로 없군

This is heaven.

— 엘 시크레토: 비밀의 눈동자 (2009)

굴뚝이 따로 없군

There isn't a separate chimney.

— 시네마 천국 (1988)