나타났군

appeared, showed up

→ 나타나다
나타났 Past tense + 군 Exclamatory ending expressing realization or mild surprise
verb · informal, past tense Rare #30,757
appeared, showed up The ending -군 adds a sense of realization or surprise, like “So, it appeared.”
KO: 또 나타났군.
EN: So, it showed up again.
Conjugation of 나타나다

또 나타났군,

There you are again.

— 옛날 옛적 서부에서 (1968)

또 나타났군

There you are again.

— 레옹 (1994)