The Korean word 다 means “all” or “everything.” It is used to refer to the entirety of something—whether it’s people, objects, or actions.
Examples of 다 in sentences:
Referring to everything:
다 좋아요! → Everything is good!
다 먹었어요. → I ate everything.
Talking about all people or things:
학생들이 다 왔어요. → All the students came.
우리는 다 친구예요. → We are all friends.
Using 다 with verbs:
영화를 다 봤어요. → I watched the whole movie.
책을 다 읽었어요. → I finished reading the book.
Emphasizing completeness:
숙제를 다 했어요. → I finished all my homework.
그 이야기를 다 들었어요. → I heard the whole story.