B2 [ C or U ] a promise that something will be done or will happen, especially a written promise by a company to repair or change a product that develops a fault within a particular period of time保证;(尤指公司保证对产品保修或包退的)保修单,包换单
[ C ] a formal agreement to take responsibility for something, such as the payment of someone else's debt担保
[ C ] something valuable that you give to someone temporarily while you do what you promised to do for them, and that they will keep if you fail to do it担保物,抵押品
More examples
Your new TV comes with a two year guarantee as standard.
Our cars carry a twelve-month guarantee.
Can you give me a cast-iron guarantee that the work will be completed on time?
I can't give you any guarantees.
The washing machine broke down just after the guarantee ran out.
If a product is guaranteed, the company that made it promises to repair or change it if a fault develops within a particular period of time.保修;包换
B2 to promise that something will happen or exist保证;担保;保障
If you guarantee someone's debt, you formally promise to accept the responsibility for that debt if the person fails to pay it.为…作保;担保;承诺对…负法律责任
More examples
Journalists may enter the danger zone but unfortunately we cannot guarantee their safety.
The electricity company guarantees connection within 24 hours.
The management guaranteed that outsourcing wouldn't mean job losses.
The police have reassured witnesses who may be afraid to come forward that they will be guaranteed anonymity.
I can guarantee that you will enjoy the film.
If something guarantees something else, it makes certain that it will happen.确保,使必然发生
If something is guaranteed to happen or have a particular result, it is certain that it will happen or have that result.肯定…必然发生;肯定会有某种结果
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