Correct

摇身一变

/ yáo shēn yī biàn /
Strokes

Definition

to change shape in a single shake/fig. to take on a new lease of life

Example

Definition

give oneself a shake and change into another form—metamorphose in an instant; suddenly change one's identity

1
Zhè
míng
敌特
yáoshēnbiàn
摇身一变
  
,
rán
忽然
chéngwéi
成为
àiguózhě
爱国者
  

As if by magic, the enemy agent transferred himself into a ‘patriot'.