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

你该不会反悔了吧？

《牛津词典》

Yeah, he's in a bad mood, coz some of his friends have gone back on him.

是的，他心情不好，因为他的一些朋友背叛了他。

youdao

You are changed, Thorin. The Dwarf I met in Bag End would never have gone back on his word.

梭林，你变了。我再袋底洞遇到的那个矮人从不会背信弃义。

youdao

We came up with a back story between the two of us about what things had gone on in the past and why she was so dedicated to him, so loyal and hurt for him so badly."

VOA: standard.2010.06.20

Speaking on the program Fern Britton Meets Tony Blair, that will be screened in its entirety on Sunday, the former prime minister was asked directly that if he had known back in 2003 that there were no WMDS, would he have gone on with the invasion of Iraq?

VOA: standard.2009.12.13

He also claims it has gone back on promises to cut the number of councillors by a third.

BBC: Tory London borough among five to hike council tax

But the SCAF now seems to have gone back on its earlier promise to withdraw to its barracks.

ECONOMIST: The Arab spring

More importantly, the SEC has gone back on previous attempts to make credit agencies legally liable for their ratings.

FORBES: Dodd-Frank Failing On Volcker Rule, Derivatives, Credit Rating Agencies