生活中经常有固执的人，英语怎么形容他们呢？

1. stubborn 固执 She is very stubborn & unwilling to accept others' advice.

2. be in denial 否认；拒绝接受现实 She thinks she's always right, but she's just in denial.

3. hard nut to crack 难对付的人 She is a hard nut to crack.