Since we've made the promise, let's keep to it and not give up easily.

既然我们已经许下了诺言，就让我们信守诺言，不要轻易放弃。

youdao

Instead of allowing myself "just a couple of drinks", I set a rule of "no drinks at all, no matter what" before I go out - and that makes it much easier for me to keep to it.

在出门前与其跟自己说“可以喝一点”，不如说“完全不喝，无论什么情况”，这对我来说更容易做到。

youdao

We have the initiative; we intend to keep it.

我们拥有主动权；我们想要保持主动权。

《柯林斯英汉双解大词典》

The legislature would have the power to keep the territory open to slavery and,in time,help it become a slave state.

VOA: special.2009.04.30

i If I'm going to keep that item, item i, if I'm going to take it, I give it a 1.

如果我想要保留这个物品,如果我打算带走它。

麻省理工公开课 - 计算机科学及编程导论课程节选

and I like to keep up to date with them because it's important that we learn about it.

我喜欢跟上潮流，因为学习潮流很重要。

推荐古老店铺 - SpeakingMax英语口语达人

As one African delegate explained it to me: "if you make a legally-binding promise, you should keep to it".

BBC: Canada wins few friends on climate

If you have a design idea that can improve the lives of a million people it's almost ethically irresponsible to keep to it yourself.

CNN: Quotes of the day: Cameron Sinclair

For better sleep, don't just set a morning alarm -- set a bedtime for both the week and the weekend and keep to it.

CNN: Vital Signs health tips