您以前從事過客服工作嗎？

Have you worked in customer service before?

Source: Tatoeba

Sentence Composition

1 您 nín you (courteous, as opposed to informal 你 nǐ)
2 以前 yǐqián
  1. before
  2. formerly
  3. previous
  4. ago
3 從事 cóngshì
  1. to go for
  2. to engage in
  3. to undertake
  4. to deal with
  5. to handle
  6. to do
4 過客 guòkè
  1. passing traveler
  2. transient guest
  3. sojourner
=5 服 fú
  1. clothes
  2. dress
  3. garment
  4. to serve (in the military, a prison sentence etc)
  5. to obey
  6. to be convinced (by an argument)
  7. to convince
  8. to admire
  9. to acclimatize
  10. to take (medicine)
  11. mourning clothes
  12. to wear mourning clothes
=5 服 fù
  1. classifier for medicine: dose
  2. Taiwan pr. fú
6 工作 gōngzuò
  1. to work
  2. (of a machine) to operate
  3. job
  4. work
  5. task

classifiers: 個, 份, 項
=7 嗎 má (coll.) what?
=7 嗎 mǎ used in 嗎啡 mǎfēi
=7 嗎 ma (question particle for "yes-no" questions)