He flattered his boss into giving him a raise.

flattered 是动词 flatter 的过去式，flatter 的意思是"奉承、讨好"，指通过说好话来取悦某人。这里 flattered his boss into doing something 表示"通过奉承让老板做了某事"。 flatter 这个词本身带有"不真诚地赞美"的隐含意义，常用于描述为了达到某种目的而刻意讨好他人的行为。