"Since then," Toebe said, "she has kept her promise to herself to cut back on her Internet use."

托比说：“从那以后，她一直信守承诺，减少上网时间。”

youdao

He reneged on a promise to leave his wife.

他背弃了诺言，离开了他的妻子。

《柯林斯英汉双解大词典》

You haven't gone back on your promise, have you?

你该不会反悔了吧？

《牛津词典》

Though the package is long on promise, it is short on detail.

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But incumbents cannot run on promise alone.

ECONOMIST: America��s presidential election: Game on | The

The BMW driver, who has driven an impressively consistent season to deliver on promise that has been evident since he made his debut in 2006, is four points clear of Hamilton, who is tied on points with Massa.

BBC: Kubica wins after Hamilton error