Correct

翻滚

/ fāngǔn / 
Strokes

Definition

to roll/to boil

Example

As a Verb

seethe; churn

1
Hǎilàng
海浪
fāngǔn
翻滚
  
。

The sea was seething.

2
Tiānshàng
天上
wūyún
乌云
fāngǔn
翻滚
  
。

The black clouds rolled about in the sky.

As a Verb

roll/toss about; tumble about

3
Xiǎomāo
小猫
zài
在
dìbǎn
地板
shàng
上
fāngǔn
翻滚
xīxì
嬉戏
  
。

The kittens tumbled about on the floor.

4
Nā
那
liàng
辆
chē
车
fāngǔn
翻滚
xià
下
le
了
shānpō
山坡
  
。

The car tumbled down the mountainside.

5
Tòng
痛
de
得
zài
在
dìshang
地上
zhí
直
fāngǔn
翻滚

writhe on the ground in agony