kiss ass
US /kɪs æs/
UK /kɪs æs/

1.
拍馬屁, 阿諛奉承
to behave in an excessively subservient way in order to please someone in authority
:
•
He's always kissing ass to the boss to get a promotion.
他總是拍老闆馬屁以求升職。
•
I hate how some colleagues just kiss ass instead of doing real work.
我討厭有些同事只知道拍馬屁而不做實事。