It's not easy to quit smoking.

戒烟不容易。

《柯林斯英汉双解大词典》

I quit smoking cold turkey.

我用突然戒烟法戒了烟。

《牛津词典》

Well, parenthetically, I was trying to quit smoking at the time.

嗯，插一句，我那时正尝试戒烟。

《柯林斯英汉双解大词典》

And while you're there, tell us if you have been able to quit smoking, and what advice you might have for others.

VOA: special.2010.05.31

For those of you who are trying to quit smoking, or to quit drinking there's times of the day or certain activities that really make you want to smoke or really make you want to drink.

对于那些想要戒烟的人来说，对想戒酒的人也一样,一天中的某个时刻或某种行为,会使你产生想抽烟或是想喝酒的欲望。

耶鲁公开课 - 心理学导论课程节选

So, if you're looking for another reason to quit, if you're looking for a reason not to start smoking, here's another good one.

因此，如果你正在寻找戒烟的另一个理由，如果你正在寻找一个不开始吸烟的理由，这就是很好的一个。

麻省理工公开课 - 化学原理课程节选

Their bonds are safer because fewer Americans quit smoking this year than in 2009.

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One study showed that women trying to quit smoking were more successful when they exercised.

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At the end of the 24-week period, participants were asked if they had successfully quit smoking.

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