他性格很固执.翻译

他很固执 - he is stubborn
他性格很固执 - he is obstinate

he has a strong stubborn character.
实际上,这是中式英语.英语就直说he is stubborn.视语境而翻译成中文.

He's a headstong/stubborn guy.
headstong好像美国乡巴佬比较喜欢用

He has the personality of crossness.

He is very stubbon.

he is very stubborn.