preen
verb- [transitive, intransitive] preen (yourself) (usually disapproving)
to spend a lot of time making yourself look attractive and then admiring your appearance 刻意打扮，精心修饰（并自我欣赏） - [transitive] preen yourself (on something) (usually disapproving)
to feel very pleased with yourself about something and show other people how pleased you are 顾盼自雄；沾沾自喜；得意扬扬 - [intransitive, transitive] preen (itself)
(of a bird 鸟 to clean itself or make its feathers smooth with its beak （用喙）整理羽毛
Word Originlate Middle English: apparently a variant of obsolete prune (based on Latin ungere ‘anoint’), in the same sense, associated with Scots and northern English dialect preen ‘pierce, pin’ (because of the “pricking” action of the bird's beak).