youdao

A gale was blowing and the sea was choppy.

大风吹来，海面上碧波荡漾。

《柯林斯英汉双解大词典》

The sea began getting choppy.

大海开始变得波涛起伏。

youdao

He loves this place, its rock formations and the choppy sea that changes by the hour.

BBC: Travelling solo in the world��s most romantic country

On his desk, a choppy sea of reports and to-do lists.

BBC: New battlegrounds open up in US election

But that was soon under three feet of water as he waded ashore, a weary soldier still smelling his own vomit from a night in a close boat on a choppy sea, and whose kilt in the freezing water was floating prettily round him like a ballerina's skirt.

ECONOMIST: Bill Millin