Examples of using "Obietnicę" in a sentence and their english translations:
He broke his word.
He made good what he had promised to do.
Tom broke his promise.
He doubts if I will keep my promise.
He made a promise, but didn't keep his word.
It was irresponsible of him to break a promise.
Tom broke his promise and didn't help Mary.
Everybody knows that he is the last man to break his promise.
If you make a promise, you should keep it.