She relied on tough love and her parenting instincts to help him quit drinking.

她依靠严格的爱和她为人母的本能来帮他戒酒。

《柯林斯英汉双解大词典》

I quit drinking.

我戒了酒。

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He said he realized he had an addictive personality and quit drinking cold Turkey.

他说他意识到他曾沉迷于酒精中并且戒掉了这个不好的习惯。

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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

Now the bad news: It is impossible for an alcoholic to quit drinking in secret.

WSJ: My Secret to Getting Sober

"My husband only ever commented on the number of bottles in the recycling, " said Lucia, who eventually quit drinking altogether.

CNN: Why are more women drinking?

Even more surprising, on June 2nd, after a series of hospitalizations, he quit drinking, and stayed sober for the rest of his life.

NEWYORKER: Rough Crossings