HSK C5
Correct

振

/ zhèn / 
Strokes

Definition

to shake/to flap/to vibrate/to resonate/to rise up with spirit/to rouse oneself

Example

As a Verb
shake; flap; wield
1
Zhènchì
振翅

flap the wings; flutter

2
Zhèn
振
bǐjíshū
笔疾书

wield the pen furiously; write very fast; take up the pen and write rapidly; write with flying strokes

As a Verb
vibrate; jitter; jar
As a Verb
brace up; rise with force and spirit