what
01
무엇, 어느
used in questions to ask for information or for someone’s opinion
예시들
What did you have for breakfast?
아침에 뭐 먹었어?
02
무엇, 것
used to represent an entire idea, concept, or clause within a sentence that acts as the subject or object of the verb or preposition
예시들
I didn't understand what you said.
나는 네가 말한 것을 이해하지 못했다.
what
01
무슨, 어느
used to introduce a clause or phrase in a general manner
예시들
I don't know what time it is.
지금 몇 시인지 모르겠어요.
