在家

zàijiā
  1. to be at home
  2. (at a workplace) to be in (as opposed to being away on official business 出差 chūchāi)
  3. (Buddhism etc) to remain a layman (as opposed to becoming a monk or a nun 出家 chūjiā)

CEDICT

Entry Composition

1 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)
=2 家 jiā used in 家伙 jiāhuo and 家俱 jiājù
=2 家 jiā
  1. home
  2. family
  3. (polite) my (sister, uncle etc)
  4. classifier for families or businesses
  5. refers to the philosophical schools of pre-Han China
  6. noun suffix for a specialist in some activity, such as a musician or revolutionary, corresponding to English -ist, -er, -ary or -ian

classifier: 個