V-I If water roils, it is rough and disturbed. 激荡; 翻腾 [美国英语]
The water roiled to his left as he climbed carefully at the edge of the waterfall.
当他在瀑布边缘小心攀爬时，水飞溅到他左边。
V-T Something that roils a state or situation makes it disturbed and confused. 扰乱; 使混乱
Times of national turmoil generally roil a country's financial markets.
国家动荡不安的时候，通常引起金融市场混乱。
The water roiled to his left as he climbed carefully at the edge of the waterfall.
当他在瀑布边缘小心攀爬时，水飞溅到他左边。
The state-owned conglomerate roiled markets last November when it requested a six-month standstill on debt repayments.
去年11月份，这个国有大企业要求暂停6个月还贷时还引发了市场动荡。
Because of their body shape, seahorses are rather inept swimmers and can easily die of exhaustion when caught in storm-roiled seas.
因为它们的身体形状，海马是糟糕的游泳者，它们遇上风暴的时候很容易力竭而死。
Analysts say foreign markets will be watching closely. The charges against Goldman Sachs have roiled markets from Asia to Europe.
VOA: standard.2010.04.19
The politicians internal divisions have led to fears that a political vacuum could give Sunni militants a chance to revive the sectarian violence that roiled the nation in 2006 and 2007.
VOA: standard.2010.04.04
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