How can I be certain he will keep his word?

我怎么能确定他会信守诺言呢？

金山词霸

They kept their word and remained at a distance.

他们信守诺言，保持着距离。

金山词霸

Will the President commit to this promise?

总统会承诺遵守这个诺言吗？

金山词霸

If you make a promise you should fulfill it.

如果你许诺了,你就要履行你的诺言.

《简明英汉词典》

Not only did he make a promise, but also he kept it.

他不仅作出了许诺, 而且履行了诺言.

《简明英汉词典》

It may already be too late to draw back.

现在收回诺言或许为时太晚了.

《简明英汉词典》

If you make a promise, It'should be carried out.

你许了诺言, 就一定要兑现.

《简明英汉词典》

He vowed quite solemnly that he would carry out his promise.

他非常庄严地发誓要实现他的诺言.

《简明英汉词典》

My teacher is a man who stands by his promises.

我的老师是一位信守诺言的人.

《简明英汉词典》

I won't be put off with such vague promises.

这种含糊的诺言是敷衍不了我的.

《简明英汉词典》

We shall have to nail him down to his promise.

我们将不得不迫使他履行自己的诺言.

《简明英汉词典》

There is little reliance to be placed on his promises.

他的诺言不甚可靠.

《现代汉英综合大词典》

Once you've given your word, don't try to back out.

一旦许下诺言, 就不要想翻悔.

《现代汉英综合大词典》

In case I forget, please remind me of my promise.

假如我忘记了, 请提醒一下我的诺言.

《现代汉英综合大词典》

His promises are written in water; he never keeps his word.

他的诺言是转瞬即逝的; 他说话从来不算话.

《现代汉英综合大词典》