This is the 8764th most frequent Korean word.
갈아입은
"Changed clothes"
In this sentence, '갈아입은' represents the action of having changed clothes, indicating a completed action connected to the feeling afterwards.
방금 새 옷으로 갈아입은 후 기분이 상쾌해요.
I just changed into new clothes and feel refreshed.
Here, '갈아입은' describes the shirt someone has changed into, providing context for the compliment.
갈아입은 셔츠가 정말 잘 어울려요.
The shirt you changed into looks really good on you.
In this case, '갈아입은' is part of the description of a sequence of actions, showing the completed action of changing clothes before leaving.