But the promise is the promise until both sides agree to change it.

但是除非双方都同意更改，否则承诺就是承诺，不能反悔。

youdao

Closing this gap is one promise of nanotechnology, a promise that has been hyped for many years.

消除这个鸿沟是纳米技术多年来让我们为之兴奋鼓舞的许诺。

youdao

For if the inheritance comes from the law it no longer is from promise, but God granted to Abraham through promise.

因为承受产业，若本乎律师，就不本乎应许，但神是凭着应许，把产业赐给亚伯拉罕。

youdao

That is a promise." The new governor of Virginia gave the Republican response to the State of the Union speech.

VOA: special.2010.01.30

The first is, that while God's promise is sure, the manner and the timing of its fulfillment is quite unpredictable.

首先是，上帝的承诺是确定无疑的，但实现的方法和时机却都是不可知的。

耶鲁公开课 - 旧约导论课程节选

So yet another threat to the promise is overcome: threat of famine is overcome by the relocation to Egypt.

因此，另一个对承诺的威胁被克服了：,迁移至埃及克服了饥荒的威胁。

耶鲁公开课 - 旧约导论课程节选

But I would propose an exemption to the a promise is a promise rule, and that's the immortal-genius-a-person-of-historical-importance exemption, very much akin to your put-it-away-for-a-generation.

NPR: Family Pauses over Woman's Posthumous Request

And a promise is a promise.

WHITEHOUSE: The White House

But there are seeds, too, in the very nature of things: a promise, after all, is only a promise, even when it is supported by divine revelation, and the chances against its fulfillment may be put into a depressing mathematical formula.

FORBES: Look, Up In The Sky! It's A Bird, It's A Plane, It's Congressman!