bull-head

例句：

1. 1. He was a bull-headed man who refused to listen to reason.
   他是一个固执己见的人，拒绝听取理智。
2. 2. The bull-headed manager insisted on implementing the new plan despite resistance from the team.
   这个固执的经理坚持执行新计划，尽管遭到了团队的反对。
3. 3. The bull-headed policy would not change until it was proven to be unworkable.
   这个固执的政策不会改变，除非它被证明是不可行的。