If you made a promise, you must honor it.

如果你做出了承诺，就必须遵守它。

youdao

Once you have made a promise, there is no turning back.

一旦你做出了承诺，就不能反悔了。

youdao

If Pastor Jeff made a promise, you can bank on it.

如果杰夫牧师许下了承诺，你就可以信赖。

youdao

You may give a cold shoulder to a friend who has not kept a promise he made to you.

VOA: special.2009.12.13

And if you don't kill us I'll do my best to protect you.'" Swan has kept the promise, his eyes opened to environmental problems made worse by a warming climate.

VOA: standard.2009.12.10

So, four years ago, I made you a promise.

WHITEHOUSE: President Obama Speaks to the 113th Convention of the Veterans of Foreign Wars | The White House

"You made a promise that you have broken and that is why we are all here today, " said Mr Thwaites.

BBC: Calzaghe 'mistrusts ex-manager'

"Here's the screw-up: You made a promise that you'd deliver this, and you missed three weeks later, " Welch spouted, jumping on the bandwagon of attacks on Immelt.

FORBES: The Blame Game