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guarantee (B1)

カタカナ: ギャランティー

IPA: /ˌɡærənˈtiː/

A formal promise or assurance that certain conditions will be fulfilled, especially that a product will be repaired or replaced if faulty.

意味: 特定の条件が満たされるという公式な約束や保証。特に、製品に欠陥があった場合に修理や交換を行うことを指します。

The watch comes with a two-year guarantee against mechanical failure. — その時計には2年間の機械故障に対する保証が付いています。
We offer a money-back guarantee if you are not completely satisfied with your purchase. — 購入にご満足いただけない場合、返金保証を提供いたします。
There is no guarantee that the new policy will solve the problem. — 新しい方針が問題を解決するという保証はありません。

Japanese translations of Guarantee:

guarantee that (collocation): To promise that a specific situation or outcome will occur. — "I cannot guarantee that the train will arrive on time."
guarantee against (prepositional phrase): To promise protection or compensation for a specific problem or defect. — "The warranty guarantees against manufacturing defects for five years."
guarantee of (prepositional phrase): Something that provides certainty or assurance of a particular outcome. — "Hard work is no guarantee of wealth."
guarantee sb sth (collocation): To promise someone something. — "The company guaranteed its customers a high level of service."