That's great(fantastic)! + 그 뒤에 이런 말을 붙이면 좋다.잘됐다.That's great(fantastic)! I'm so happy for you! (아무때나 사용 가능)That's great(fantastic)! Good for you! (상대방이 뭔가를 성취했을 때)A: I finally asked her to marry me.B: Yeah? And?A: She said "Yes"B: Oh! That's fantastic! I'm so happy for you!좋겠다.That's great(fantastic)! That must be really/so nice! ("니가 좋겠다!" 가 아니라, "상황이 좋네!" 라는 뉘앙스)That's great(fantastic)! You m..