承诺的英文：
effort
acceptance
undertaking
promise to do sth.
promise to undertake
undertake to do sth.
acceptance of offer

参考例句：
  • Pledge a donation(to a charity).
    承诺（向慈善机构）捐献。
  • He would not commit himself in any way.
    他不愿作任何承诺。
  • She signified her consent with a smile.
    她以微笑表示了她的承诺。
  • The best promise that "Vitamin" makes to you is to keep you fit all the time.
    包君健康，这是“维生素”对您的最好承诺。
  • [C](fml)formal promise or guarantee,esp in writing
    正式的承诺或保证(尤指书面形式)
  • Some fresh-men complain about his penchant for making commitments easily and then he may abandon it with little notice.
    一些新议员抱怨他总爱作出承诺，然后又在人们不知不觉中放弃了。
  • Betroth:To promise to give in marriage.
    订婚:对结婚的承诺。
  • It was a virtual promise.
    那是实质上的承诺。
  • Realized commitment is real eudaemonia!
    兑现的承诺才是幸福！
  • An alluring smile,prospect,promise
    迷人的微笑,前景,承诺.
effort是什么意思：
n. 努力，尝试；成就；杰作
  • It was a vain effort.
    这种努力是徒劳无益的。
  • That effort will be bootless.
    那种努力将是无益的。
  • You must not relax your efforts.
    你不可以松懈你的努力。
acceptance是什么意思：
n. 接受；赞同；承认；相信；承兑
  • ineligible acceptance
    不合格的银行承兑汇票
  • accept [take up] a challenge
    接受挑战,应战
  • accommodate by accepting time
    通融接受远期信用证
undertaking是什么意思：
n. 事业，企业；保证
v. undertake的现在分词
  • to bear; to shoulder; to undertake; to assume
    担负
  • A chivalrous or adventurous undertaking.
    大胆的或冒险的经历
  • Their installation proved a laborious undertaking.
    要来安顿这些人，确实是一件麻烦的事情。

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