承諾的英文怎么说

承諾的英文：
effort
acceptance
undertaking
promise to do sth.
promise to undertake
undertake to do sth.
acceptance of offer

• 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。

• 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

• 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。