plume oneself on -用法

plume oneself on

be proud of oneself about；boast of 自夸；因…沾沾自喜

She plumes herself on the fact that she was educated in Europe rather than in the United States．她以不在美国而在欧洲受教育为荣。

He plumed himself on belonging to the aristocracy．他以自己是个贵族而洋洋自得。