All right, but keep your word!

好吧，但你得信守诺言！

I hope you'll keep your word.

我希望你能信守诺言。

Be sure to keep your word!

一定要信守诺言！

That I may live and keep your word.

相信我，我愿意遵守我的道。

You must keep your word.

你必须信守诺言。