Be honest and keep your promise.

要诚实并遵守你的诺言。

youdao

Now keep your promise and drink these few drops of water.

现在遵守你的诺言，把这几滴水喝了。

youdao

I'm hoping you'll keep your promise to come for a long visit.

我希望你会信守诺言，来这里多呆一段时间。

《柯林斯英汉双解大词典》

"Johnsy,dear," said Sue, "will you promise me to keep your eyes closed, and not look out the window until I am done working?

VOA: special.2009.08.01

And before I continue, I want for you to acknowledge that you did not keep your promise.

WHITEHOUSE: The White House

However, something tells me you won't keep to your wonderful promise of staying away, and will be back to darken our new-found havens with your constant whinging.

BBC: Non-smoker

And what about that promise that if you like your current insurance coverage you can keep it?

FORBES: Move up http://i.forbesimg.com t Move down