plump up (out)

• • (使)肥胖；(使)膨胀：

    He plumped up his cheeks in an expression of annoyance.

    他绷着脸表示不满。

  • 使(垫子等)变松变软：

    Tidy up the room and plump up the cushions to get ready for our guests.

    整理好房间，把靠垫拍松，准备迎接客人。