/'swi:tnə(r); `switnɚ/
n
1 [C, U] (piece of a) substance used to sweeten food or drink, esp as a substitute for sugar 使食物或饮料变甜的物质; （尤指）糖的代用品.
2 [C] (infml 口) attempt to persuade sb; bribe （对某人的）劝诱; 贿赂
*The firm offered her a generous bonus as a sweetener. 公司提出给她一笔可观的花红藉以拉拢她.

n
[U and C]
a substance used to make food or drink taste sweeter
　No artificial sweeteners are used in this product.
[C]informal
something that you give to someone to persuade them to do something, especially to accept a business deal
　These tax cuts are just a pre-election sweetener.