keep a promise

keep a promise

To fulfill or be faithful to a promise one has made. How can you expect me to trust you when you keep proving that you can't keep a promise? Keeping promises is the backbone of any healthy relationship.
See also: keep, promise
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

keep a promise

 and keep one's promise
to make good on a promise; to fulfill one's promise. If you can't keep your promises, you shouldn't make them in the first place.
See also: keep, promise
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also:
Idioms browser ?