butter up
US /ˈbʌt.ər ʌp/
UK /ˈbʌt.ər ʌp/

短语动词
1.
奉承, 讨好
to flatter someone in order to gain a favor or special treatment
示例:
•
He tried to butter up his boss before asking for a raise.
他试图在要求加薪前奉承他的老板。
•
You'll have to butter up the teacher if you want a good grade.
如果你想得高分,就得讨好老师。
在 Lingoland 学习这个单词