您在做什么菜？

What meal are you making?

Source: Tatoeba

Sentence Composition

1 您 nín you (courteous, as opposed to informal 你 nǐ)
2 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
3 做什么 zuòshénme
  1. (dialectal) why; what for
  2. what to do
  3. why; what for
4 菜 cài
  1. (of one's skills etc) weak; poor
  2. (coll.) (one's) type

classifiers: 棵, 樣, 道, 盤