正好

zhènghǎo
  1. just (in time)
  2. just right
  3. just enough
  4. to happen to
  5. to chance to
  6. by chance
  7. it just so happens that

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 好 hǎo
  1. good
  2. appropriate; proper
  3. all right!
  4. (before a verb) easy to
  5. (before a verb) good to
  6. (before an adjective for exclamatory effect) so
  7. (verb complement indicating completion)
  8. (of two people) close; on intimate terms
  9. (after a personal pronoun) hello