B : Although I know that smoking does more harm than good, it's hard to quit.
A : They say that knowing something but not putting it into practice is just like a flower that bears no fruit. If there's something you really want then you have to put in the same amount of effort.
B : I think it's true when they say that a habit is as firm as a rock. It's difficult to remove. Nevertheless, I should try my best.
A : 너 금연하기로 해놓고 또 담배 피웠다며?
B : 백해무익 하다는 것을 아는 데도 끊는 것이 잘 안되네.
A : 알아도 실행이 없으면 열매 없는 꽃이라잖아. 원하는 것이 있으면 그만큼 노력을 해야지.
B : 철석같이 굳은 습관이라고 하더니 정말 그런가봐. 떼기가 힘드네. 그래도 기어이 해봐야겠지?
harm : 해악, 손해 nevertheless : 그럼에도 불구하고