When to use sad in Korean
Korean: 슬픔[ seul-peum ]

When to use it
Sadness (슬픔) is the feeling you have when something hurts your heart or makes you unhappy. Use this word when you talk about a strong sad feeling, not just a small bad mood. You can say you feel sadness, have sadness, or see sadness in someone.
Example sentences
집에 혼자 있으면 슬픔을 느껴요.
I feel sadness when I am alone at home.
학교에서 친구가 전학 가서 슬픔이 컸어요.
My sadness was big because my friend moved to a new school.
공원에서 비를 보니 슬픔이 왔어요.
When I saw the rain in the park, I felt sadness.
엄마와 이야기하면서 제 슬픔을 말했어요.
I talked about my sadness while speaking with my mom.
가게에서 좋아하는 컵이 깨져서 슬픔을 느꼈어요.
I felt sadness because my favorite cup broke at the store.
여행이 끝나서 작은 슬픔이 있어요.
I feel a little sadness because the trip is over.