flying colors
事情做得很出色成功胜利
I really desire to pass the exam with flying colors
真希望考出好成绩
how do you think you did on your English exam? I'd be willing to bet that you passed it with flying colors.

butter up
为了得到好处而拍人马屁

I wish he'd stop trying to butter me up
我希望他不要再恭维我了。