roil

• 动词，指搅动液体使沉淀物泛起而变浑浊或不透明；也指使人或事物不安、激动或动荡。

A verb meaning to make a liquid muddy or cloudy by stirring up sediment, or to disturb or agitate someone or something.

1. To become agitated or disturbedC2formal

   To be in a state of agitation, disturbance, or turmoil.

   骚动

   • The crowd roiled with anger after the announcement.
   • His emotions roiled beneath a calm exterior.
   • The political situation roiled for months.

   同义词boilchurnseetheswirltossturbid

   反义词calmcomposesettle

2. To make a liquid muddy or turbidC2formal

   To stir up the sediment in a liquid, making it cloudy or muddy.

   搅浑

   • The heavy rain roiled the river, turning it brown.
   • He roiled the pond by wading through it.
   • The storm roiled the waters of the lake.

   同义词agitatechurnclouddisturbmuddlemuddy

   反义词clarifypurify