2--Yes, you're right.
 
1--Why don't you try to give it up?
 
2--I've tried to give up smoking several times, but its no good. Smoking relaxes me.
 
1--Have you ever thought of just cutting down? You could do it gradually.
 
2--Yes, maybe I should have another try.
 
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注解：
 
1.harm损害    
2.give it up放弃  
3.relaxes放松   

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译文：
 
1--你知道，吸烟有害健康。
2--你说得对。
1--为什么不试着戒烟呢？
2--我试过几次，但感觉不好。吸烟能让我放松。
1--你有没有想过真正戒烟？你可以慢慢地戒。
2--对，我应该再试一次。