我以前常抽菸，但現在我戒掉了。

I used to smoke a lot, but now I've quit.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 以前 yǐqián
  1. before
  2. formerly
  3. previous
  4. ago
=3 常 Cháng surname Chang
=3 常 cháng
  1. always
  2. ever
  3. often
  4. frequently
  5. common
  6. general
  7. constant
4 抽菸 chōuyān to smoke (tobacco)
5 但 dàn
  1. but; yet; however; still
  2. merely; only; just
6 現在 xiànzài now; at present; currently
7 我 wǒ
  1. I
  2. me
  3. my
8 戒 jiè
  1. to guard against
  2. to exhort
  3. to admonish or warn
  4. to give up or stop doing sth
  5. Buddhist monastic discipline
  6. ring (for a finger)
=9 掉 diào
  1. to fall
  2. to drop
  3. to lag behind
  4. to lose
  5. to go missing
  6. to reduce
  7. fall (in prices)
  8. to lose (value, weight etc)
  9. to wag
  10. to swing
  11. to turn
  12. to change
  13. to exchange
  14. to swap
  15. to show off
  16. to shed (hair)
  17. (used after certain verbs to express completion, fulfillment, removal etc)
=9 掉 nuò
  1. (obsolete) to hold; to wield; to bear; to lift
  2. to hold; to wield; to bear; to lift
=10 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=10 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 無 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 瞭 liǎo)
=10 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=10 了 liào unofficial variant of 瞭 liào