對不起

对不起
duìbuqǐ
  1. I'm sorry; excuse me; I beg your pardon
  2. to let (sb) down; to disappoint

CEDICT

Entry Composition

1 對 duì
  1. right; correct
  2. towards; at; for
  3. concerning; regarding
  4. to treat (sb a certain way)
  5. to face
  6. (bound form) opposite; facing; matching
  7. to match together; to adjust
  8. to fit; to suit
  9. to answer; to reply
  10. to add; to pour in (a fluid)
  11. to check; to compare
  12. classifier: couple; pair
2 不 bù
  1. no; not so
  2. (bound form) not; un-
3 起 qǐ
  1. to rise
  2. to raise
  3. to get up
  4. to set out
  5. to start
  6. to appear
  7. to launch
  8. to initiate (action)
  9. to draft
  10. to establish
  11. to get (from a depot or counter)
  12. verb suffix, to start
  13. starting from (a time, place, price etc)
  14. classifier for occurrences or unpredictable events: case, instance
  15. classifier for groups: batch, group