我过去抽烟，但两年前就戒了。

I used to smoke but I gave up two years ago.

《牛津词典》

亲爱的，我知道我以前也试过戒烟，却从来没有意志坚持到一两个月以上，但是这一次我是拼了命也得把烟戒了。

Honey, I know I've tried to stop smoking before. And I didn't have the willpower to stop for more than a month or two.

youdao

接下来的几天，我发现我几乎所有之前吸烟的朋友，甚至那些一天两包或者更多的人，都戒了。

Within the next few days I realized all of my friends who used to smoke, even those who burned through two or more packs a day, had stopped.

youdao