A : You have to lose your weight. 
     - 너는 몸무게를 빼야해.

B : Yes, I know. but I always fail on my diet. 
     - 알아, 하지만 늘 다이어트에 실패한다고.

A : I think walking is good for your health.
     - 걷기가 좋을 것 같아.

B : Okay. I'll try right now.
     - 좋아 당장 해볼게.