A : How was your flight?
     - 비행 어땠어.

B : It took long time and was boring.
     - 너무 오래 걸려서 지루했어.

A : How long?
     - 얼마나 걸렸는데?

B : After 7 hours, I'm jet-lagged.
     - 7시간을 탔더니 시차 때문에 어질어질하다.