Be honest and keep your promise.

要诚实并遵守你的诺言。

youdao

Remember to carry out your promise.

记住要履行你的承诺。

《新英汉大辞典》

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

"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

They'll think you couldn't fulfill your promise.

人家会觉得你没有能力实践承诺。

耶鲁公开课 - 旧约导论课程节选

And your roommate says, "Inside the envelope are facts about this milkshake that if--I promise you it is indeed the case-- if you knew these facts, " you would not drink the milkshake anymore."

而你的室友说，“在信封里面是关于奶昔的事实,如果，我保证里面是事实-,你知道了这些事实，你就不会再喝奶昔了“

耶鲁公开课 - 死亡课程节选

If not, you should reconsider your promise to do it all over again in a year!

FORBES: Living On Bitcoin For A Week: The Expense Report

But I know you're out there and I know your potential, I know your promise.

WHITEHOUSE: The White House

So I think the answer is, yes, with many excuses, but you actually broke your promise.

WHITEHOUSE: The White House