A fronde was a kind of a slingshot that Paris street urchins used to shoot fancy people with rocks as they rode their carriages through the muddy streets of Paris.

ronde类似于，某种弹弓，巴黎的顽童们用他们的弹弓“袭击”，那些驾着马车穿过巴黎泥泞街道的人们。

youdao

And that this terrified elites in much of Europe and had the same equivalent of what the Fronde did for scaring elites in France.

就像是投石党运动吓坏了法国精英一样,宗教战争吓坏了欧洲许多国家的精英

耶鲁公开课 - 欧洲文明课程节选

There was a huge old insurrection called the Fronde, f-r-o-n-d-e.

有一起被称为投石党运动的起义

耶鲁公开课 - 欧洲文明课程节选