unreasonably determined, especially to act in a particular way and not to change at all, despite what anyone else says

He can be very obstinate at times. 他有的时候会非常固执。

her obstinate refusal to compromise 她的拒不妥协

used to describe a problem, situation, or thing that is difficult to deal with, remove, change, or defeat

obstinate weeds 难以除尽的野草

Invading troops met with obstinate resistance by guerrilla forces. 侵略军遭到游击队的顽强抵抗。