preens是什么意思？

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.

If someone preens, they think in a pleased way about how attractive, clever, or good at something they are.

When birds preen their feathers, they clean them and arrange them neatly using their beaks.