Correct

簸荡

/ bǒ dàng / 
Strokes

Definition

roll/rock

Example

As a Verb

bump and sway; roll; rock

1
Xiǎochuán
小船
zài
在
dàhǎi
大海
shàng
上
bǒdàng
簸荡
  
。

The boat was tossing at sea.