red rag

基本解释

He glared at me like a bull at a red rag.
他对我怒目而视，好似（斗牛时）牛对红布的怒视一样。
dict.cn
The British text would be a red rag to American conservatives already incensed by perceived encroachments on American sovereignty by the world body.
英国的文本将激起美国保守派的憎恨，他们已经恼怒这个世界组织对美国主权的能觉察到的侵犯。
Some congressmen might prefer to leave the reduction of emissions from transport up to the bureaucrats at the EPA rather than be seen to increase the price of driving—a red rag to many voters.
一些议员也许会更加欢迎把降低交通排放的任务留给EPA的官员们来处理，而不是提高驾驶的成本——此举会激怒众多的投票人。

The British text would be a red rag to American conservatives already incensed by perceived encroachments on American sovereignty by the world body.
ECONOMIST: The United Nations
That is a red, gasoline-soaked, rag to CDS holders.
ECONOMIST: Corporate bankruptcy
Margaret and I were sprawled out on the grassy bank of the Mississippi River, taking a break from the French Quarter Festival, when I noticed, a few feet away, a familiar, homeless-looking guy with an eight-inch red beard and a piratical soldier rag tied around his head.
NEWYORKER: Romance