正式

zhèngshì
formal; official

CEDICT

Entry Composition

1 正 zhèng
  1. straight
  2. upright
  3. proper
  4. main
  5. principal
  6. to correct
  7. to rectify
  8. exactly
  9. just (at that time)
  10. right (in that place)
  11. (math.) positive
2 式 shì
  1. type
  2. form
  3. pattern
  4. style