Correct

扭动

/ niǔ dòng /
Strokes

Example

As a Verb

wag

1
Zài
zuòwèi
座位
shàng
niǔdòng
扭动

wriggle about in one's seat

2
Niǔdòng
扭动
wěiba
尾巴

wag the tail

3
Niǔdòng
扭动
gu
屁股

wriggle/roll/sway/swing one's hips

As a Verb

writhe; squirm

4
zhuāzhù
抓住
le
xiǎotōu
小偷
  
,
dàn
tíng
不停
niǔdòng
扭动
shēn
身体
  
,
zhèngtuō
挣脱
le
  

I grabbed the thief but he managed to squirmed free.

5
tǎng
zài
shang
地上
  
,
tòng
痛苦
niǔdòng
扭动
shēn
身子
  

She was writhing around on the floor in agony.