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VERB
精心打扮；刻意修飾
If someone preens themselves, they spend a lot of time making themselves look neat and attractive; used especially if you want to show that you disapprove of this behaviour or that you find it ridiculous and amusing.
例句
50% of men under 35 spend at least 20 minutes preening themselves every morning in the bathroom...
50%的35歲以下男性每天早上至少花20分鐘在盥洗室精心打扮。
Bill preened his beard.
比爾精心修剪了他的胡須。
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VERB
得意洋洋；沾沾自喜；感覺良好
If someone preens, they think in a pleased way about how attractive, clever, or good at something they are.
例句
She stood preening in their midst, delighted with the attention...
她得意洋洋地站在他們中間，為受人矚目而高興。
He preened himself on the praise he had received.
他因為得到了贊揚而沾沾自喜。
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VERB
（鳥）用喙整理（羽毛）
When birds preen their feathers, they clean them and arrange them neatly using their beaks.
例句
Rare birds preen themselves right in front of your camera.
很少有鳥類會在鏡頭面前梳理自己的羽毛。