butter up
US /ˈbʌt.ər ʌp/
UK /ˈbʌt.ər ʌp/
1.
奉承, 討好
to flatter someone in order to gain a favor or special treatment
:
•
He tried to butter up his boss before asking for a raise.
他試圖在要求加薪前奉承他的老闆。
•
You'll have to butter up the teacher if you want a good grade.
如果你想得高分，就得討好老師。