guarantee
US /ˌɡer.ənˈtiː/
UK /ˌɡer.ənˈtiː/

名词
1.
保证, 担保
a formal promise or assurance that certain conditions shall be fulfilled, especially that a product will be repaired or replaced if not of a specified quality and durability
示例:
•
The television comes with a two-year guarantee.
这台电视机有两年保修。
•
We offer a money-back guarantee if you're not satisfied.
如果您不满意,我们提供退款保证。
动词
1.
2.
担保, 保证
provide security for (a debt or obligation)
示例:
•
His assets were used to guarantee the loan.
他的资产被用来担保这笔贷款。
•
The bank will guarantee your mortgage.
银行将担保你的抵押贷款。
在 Lingoland 学习这个单词