對不起，我沒有守承諾。

I'm sorry I didn't keep my promise.

Source: Tatoeba

Sentence Composition

=1 對不起 duìbuqǐ
  1. I'm sorry; excuse me; I beg your pardon
  2. to let (sb) down; to disappoint
=1 對不起 duìbùqǐ
  1. sorry; excuse me
  2. to cause someone embarrassment; to screw someone over; to do something to a person that would demand an apology later on; to let down
2 我 wǒ
  1. I
  2. me
  3. my
3 沒有 méiyǒu
  1. haven't
  2. hasn't
  3. doesn't exist
  4. to not have
  5. to not be
4 守 shǒu
  1. to guard
  2. to defend
  3. to keep watch
  4. to abide by the law
  5. to observe (rules or ritual)
  6. nearby
  7. adjoining
5 承諾 chéngnuò
  1. to promise
  2. to undertake to do something
  3. commitment