振

振 [zhèn] 动

1. ■ （摇动; 挥动） shake; flap; wield:

振落 shake off;

振翅 flap the wings; flutter

2. ■ （奋起） brace up; rise with force and spirit:

一蹶不振 never to rise again;

食欲不振 lose one's appetite; have a jaded appetite;

精神为之一振 feel one's spirits buoyed up;

我军士气大振。 The morale of our troops was greatly boosted.