Definition
to attempt to gain approval from an authority figure by pleasing them through actions and words
拍馬屁；討好；巴結某人
He always tries to suck up to the boss to gain approval.
他總是試圖拍老闆的馬屁以獲得認可。
During the meeting, he kept praising the manager, clearly sucking up to her.
在會議期間，他不停地稱讚經理，明顯是在討好她。
Some students attempt to suck up to the teachers in order to get good grades.
有些學生試圖討好老師以獲得高分。