세상에! 여기서 무슨 일이 일어난 거지?

English Translation

What in the world happened here?

I don’t understand the function of “거지”.

[details=“English Translation”]What in the world happened here?[/details

“거지” is a colloquial expression used to express surprise or shock. It is often used in spoken Korean and is considered informal, so it is not typically used in formal or polite settings.