be wrongheaded顽固的
wrongheaded E坚持错误的
ADJ（形容词） If you describe someone as wrongheaded, you mean that although they act in a determined way, their actions and ideas are based on wrong judgments. 执迷不悟的
He told them exactly how wrongheaded they were.
他实实在在地跟他们说他们有多执迷不悟。