brown-noser 馬屁精
brown-nose 拍馬屁
The rest of the company were sick of watching him brown-nose.
全公司的人都受不了看他拍馬屁了。

apple-polish 討好，拍馬屁
lick one's boots 阿諛奉承，諂媚，拍馬屁
He'll lick the boots of anyone to get what he wants.
為了得到他想要的，他會拍任何人的馬屁。
We should show him some respect, but there is no need to lick his boots.
我們應該尊重他，但是不必去阿諛奉承。

curry favor with sb 討好；奉承；拍馬屁
They want to curry favor with the president.
他們想拍總統的馬屁。
Maybe they're trying to curry some favor.
也許他們想送點人情。

to suck up to sb 奉承，巴結
What is she sucking up to me for?
她這么討好我是為了什么？
So you're just sucking up to this guy for his money?
所以你是為了錢才猛拍他馬屁嗎？