break a promise

But I could not break my promise to the dead.

I was brought up to believe that you should never break a promise.

Or the project will test their understanding of why it is particularly bad to break a promise.

Will they break their promise, once we've shared all we know?

But when she broke her promise, what could I do?

The administration pretty much did everything wrong, he said, and broke all its promises along the way.

He was not the kind of man who broke promises.

"This would break promises to many people for no good reason," he said.

But angry or not, she wouldn't allow him to break his promise.

He broke his promise to me on the day I was born.