Correct

扎挣

/ zā zhēng / 
Strokes

Example

As a Verb

move with difficulty (owing to physical weakness)

1
Lǎorén
老人
zā
扎
zhēng
挣
zhāo
着
zuò
坐
le
了
qǐlai
起来
  
。

The old man struggled to sit up. / The old man sat up with difficulty.