The time of evening also didn't go to cousin's house to have a meal, break promise.

晚上的时候也没有去表哥家吃饭，失约了。

youdao

He won't dare to break his promise.

他不敢食言。

《牛津词典》

You mustn't break your promise.

你一定不能违背诺言。

youdao

They also say proceeding with the 2006 agreement would break the DPJ's campaign promise.

VOA: standard.2009.11.11

In this, the president has been aided by his supporters in Congress, who, in helping him keep his ill-conceived promise to shutter Gitmo, have simultaneously enabled him to break his promise to "shine a light on the business conducted inside" the White House.

CENTERFORSECURITYPOLICY: A darker shade of transparency

"I made a promise that I would not sell Scott and I will not, for any amount of money, break that promise to the West Ham supporters, " he said.

BBC: West Ham reject bid from Tottenham for Scott Parker

The LDP will hold over his head the threat of a no-confidence motion should he break his promise.

ECONOMIST: An unusual militancy is creeping into mainstream politics