他在哪家公司工作？

What company does he work in?

Which company does he work in?

Where does he work?

Source: Tatoeba

Sentence Composition

1 他 tā
  1. (third-person singular) (since the early 20th century, usu. male) he; him; his
  2. (bound form) other; another; some other (as in 他日 tārì and 他人 tārén)
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 哪 nǎ
  1. how
  2. which
=3 哪 na (emphatic sentence-final particle, used instead of 啊 a after a word ending in "n")
=3 哪 né
  1. used in 哪吒 Nézhā
  2. Taiwan pr. nuó
=3 哪 něi which? (interrogative, followed by classifier or numeral-classifier)
4 家公 jiāgōng
  1. head of a family
  2. (polite) my father
  3. (polite) my grandfather
  4. your esteemed father
=5 司 Sī surname Si
=5 司 sī
  1. to take charge of
  2. to manage
  3. department (under a ministry)
6 工作 gōngzuò
  1. to work
  2. (of a machine) to operate
  3. job
  4. work
  5. task

classifiers: 個, 份, 項