Renege on one's promise.

违背诺言，破坏约定，食言。

youdao

If you renege again, I am going to gut you.

如果你再食言，我会挖出你的内脏！

youdao

Any more colourful candidate could renege on a deal.

任何不同政见的候选人都可能就此交易而报复。

youdao

You said you'd COME, why did you renege on your promise?

你说你要来的，为什么要背信弃义？

youdao

You said you'd COME, why did you renege on your promise?

你说你要来的，为什么要背信弃义？

youdao