2--Of course you can.
 
1--I don't have enough will power.
 
2--Of course you do.
 
1--I wish I had never started.
 
2--So does every smoker.
 
1--I've tried to quit so many times.
 
2--So has everyone else.
 
1--Nothing seems to work.
 
2--All it takes is will power,and you have it.
 
1--Then why can't I quit?
 
2--You have to believe in yourself.
 
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注解：

1.Of course当然 
2.tried to试着              
3.believe in相信   

===================================
译文：

1--我无法戒烟。
2--你当谈可以。
1--我没有足够的意志力。
2--你当然有。
1--我希望我从未开始过。
2--每个吸烟者都这么想。
1--我已经试着戒烟好多次了。
2--别人也是。
1--似乎没什么用。
2--需要的就是意志力，而且你有。
1--那么为什么我戒不掉？
2--你要相信你自己。