強ごう情じょう頑がん固こ

noun, na-adjective

headstrong; obstinate; bullheaded

Describes a person who is extremely stubborn and refuses to change their mind or admit they are wrong. Often used in a negative sense.

• 彼かれは強ごう情じょう頑がん固こで、一いち度ど言いい出だしたら絶ぜっ対たいに引ひかない。

  He is so headstrong that once he says something, he never backs down.

• あの強ごう情じょう頑がん固こな態たい度どには本ほん当とうに困こまったものだ。

  That obstinate attitude of his is really troublesome.