A : What's the matter? 
     - 무슨 일이니?

B : Mom, I broke your favorite vase.
     - 엄마가 좋아하는 꽃병을 깼어요.

A : Don't worry. Did you hurt yourself?
     - 걱정하지 마. 다친 곳은 없니?

B : No, I didn't. I'm so sorry.
     - 네 정말 죄송해요.