词典释义：
a formal promise or assurance (typically in writing) that certain conditions will be fulfilled, especially that a product will be repaired or replaced if not of a specified quality and durability
（尤指书面的）保证书；商品保修（或保换）单
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we offer a 10-year guarantee against rusting .我们提供十年不生锈的保证。
something that gives a certainty of outcome
起保证作用的事物
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supervision can't be a guarantee against a new offence .监管不能成为不再违法的保证。
variant spelling of
同<Bold>ＧＵＡＲAＮＴＹ</Bold>.
less common term for
〈较罕〉 同<Bold>ＧＵＡＲＡＮＴＯＲ</Bold>.
provide a formal assurance or promise, especially that certain conditions will be fulfilled relating to a product, service, or transaction
作保证（尤指保证与产品、服务或交易相关的某些条件的实现）
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[with infinitive]
the company guarantees to refund your money .公司保证退还您的钱。
[with obj.]provide such an assurance regarding (something, especially a product)
为（某物，尤指产品）保证；保用（产品）
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the cooker is guaranteed for five years 本炊具保用五年
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[as adj.
guaranteed ]the guaranteed bonus is not very high .保付的红利并不很高。
[with obj.]provide financial security for; underwrite
为…做经济担保；为…具保
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a demand that ￡100,000 be deposited to guarantee their costs .为他们的花费支付十万英镑定金作担保的要求。
[with obj.]promise with certainty
确保
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no one can guarantee a profit on stocks and shares .没有人能确保在股票上一定盈利。
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guarantee sth 保证某事
真题例句：
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guarantee sb sth 向某人保证某事
真题例句：
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guarantee to do sth 保证做某事
真题例句：
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guarantee + (that)从句 确保...
真题例句：
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a guarantee of ... ...的保证
真题例句：
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it/there is no guarantee 无法保证
真题例句：
"late 17th cent． （in the sense ‘guarantor’）： perhaps from Spanish
