stubborn

He is so stubborn that he won't admit he is wrong even with evidence.

(Chinese) 他是如此固执，即使有证据也不承认自己错了。

The donkey was being stubborn and refused to move despite the farmer's efforts.

(Chinese) 无论农夫怎么努力，那头驴就是很倔，拒绝挪窝。