動詞 roil:

1. be agitated
   同義詞：churn, boil, moil
2. make turbid by stirring up the sediments of
   同義詞：rile

roil

v.（動詞）
roiled,roil.ing,roils
v.tr.（及物動詞）
To make (a liquid) muddy or cloudy by stirring up sediment.
攪混，使…混濁：通過攪動沉淀物使（液體）混濁或模糊
To displease or disturb; vex:
使煩惱或不安；使生氣：
例句：
Some of her habits are off-putting but don`t let them roil you.
她的一些習慣讓人惡心，但最好別煩你

v.intr.（不及物動詞）
To be in a state of turbulence or agitation.
處于不安定或激動的狀態(tài)

來源：
[Origin unknown]
[詞源不明]