兑现承诺，怎么用英语说？

honor one's promise

honor有
承兑,支付;允准;实践
的意思.
eg:He honored his promise.
他实践了自己的诺言。

兑现承诺

deliver on a promise

fulfill a promise

But many Chinese academics and other experts believe that, without changes to government, China may be unable to deliver on its WTO promises.
但是许多中国学者和其他方面的专家相信，如果没有改革，中国可能无法兑现其wto承诺。

The Chinese Government will honor each and every commitment it has made in Beijing's Candidature File and will do whatever it can to assist Beijing to fulfill its promises.
对于北京申办过程中所做出的每一项承诺，中国政府都是支持的，而且将尽一切努力协助北京兑现其承诺。

(诺言的实现）honour a commitment
___汉英词典上海交通大学出版社1997年1月]

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http://www.hao123.com/ss/fy.htm 在线翻译自己去翻吧

carry out the promise