动词短语
中文翻译：承诺放弃
同义词：
['swear off', 'promise to do something', 'make a promise to do something']
例句：
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1. He promised me that he would come and visit me when I was sick.
他向我保证，当我生病时他会来看我。
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2.Promises are like the sun; they go up and down but never set.
诺言就像太阳一样，升起来又降下去，永远不会落山。
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3. Promises are not worth keeping if you don't follow through on them.
如果你不兑现你的承诺，那么承诺就不值得保持了。