a written guarantee, issued to the purchaser of an article by its manufacturer, promising to repair or replace it if necessary within a specified period of time (商品)保单,保用书 the car comes with a three-year warranty. 该车有三年的保用期。 [mass noun]as your machine is under warranty, I suggest getting it checked. 你的机器仍在保用期内,所以我建议把它送去检查一下。 ■(in an insurance contract) an engagement by the insured party that certain statements are true or that certain conditions shall be fulfilled, the breach of it invalidating the policy (保险合同用语)(被保险人对某些陈述所作的)保证,担保 ■[mass noun][usu. with negative](archaic)justification or grounds for an action or belief (古)正当理由;依据 you have no warranty for such an audacious doctrine. 对于这样大胆的学说,你缺乏相应的依据。
语源
Middle English: from Anglo-Norman French warantie, variant of garantie (see guaranty). Early use was as a legal term denoting a covenant annexed to a conveyance of property, in which the vendor affirmed the security of the title