He's as stubborn as a mule.

他像骡子一样倔。

《牛津词典》

She can be as stubborn as a mule.

她可以倔得像头骡子。

《牛津词典》

Mick was stubborn and domineering with a very bad temper.

麦克既固执又刚愎自用，脾气还很坏。

《柯林斯英汉双解大词典》

You were a stubborn child, weren't you?

VOA: standard.other

I'd rather go and if you're going to be stubborn i'd rather go see Bourne Ultimatum with you than not go on a date at all.

如果你固执己见毫不动摇的话,那我就陪你去看《谍影重重》吧,这总比约会失败要好吧

耶鲁公开课 - 博弈论课程节选

Stubborn is not a good first date word, but okay.

第一次约会用固执这个词似乎不太好吧

耶鲁公开课 - 博弈论课程节选

Despite being dismissed by many as a leftover from predecessor Suharto's discredited New Order regime, Habibie endured opposition - even from within his own party - and put up a stubborn fight to remain a key political contender.

CNN: Maneuvering to the Top amid Chaos

"He's a young man with a tremendous amount of hope, and he's stubborn - stubborn in a good way, " said Dr Jaimie Shores, the hospital's clinical director of hand transplantation.

BBC: Brendan Marrocco, US quadruple amputee, gets new arms

Indeed, the bishop comes across as a stubborn, prickly individual and a man whom it is easier to admire at a distance.

ECONOMIST: East Timor