obstinate
US /ˈɑːb.stə.nət/
UK /ˈɑːb.stə.nət/

1.
cố chấp, bướng bỉnh
stubbornly refusing to change one's opinion or chosen course of action, despite attempts to persuade one to do so
:
•
He was obstinate in his refusal to admit he was wrong.
Anh ta cố chấp không chịu thừa nhận mình sai.
•
The child was obstinate and refused to eat his vegetables.
Đứa trẻ bướng bỉnh và từ chối ăn rau.