stubborn
单词辨析：
多指人、机构等行事死板的，不愿意改变观念、决定、方法等。
Many of her employees find her inflexible.
她的许多雇员发现她个性固执。
The company is completely inflexible on this matter.
那家公司在这个问题上丝毫不肯变通。
指人执拗任性的，强调行事偏执，不肯听从劝告。
Glenn is young and very headstrong, but he is a good man underneath it all.
格伦年轻、任性，但骨子里是个好人。
He was a headstrong kid, always getting into trouble.
他是个任性的孩子，总是惹麻烦。
指人固执己见的，喜欢我行我素，不愿改变主意、行事方法等，常含贬义。
This girl can be obstinate at times.
这姑娘有的时候会非常固执。
My friend is obstinate and determined, and will not give up.
我的朋友非常顽固，而且又铁了心，是不会放弃的。
词义同obstinate，可换用，也常含贬义。
Why is the captain so stubborn/obstinate?
队长怎么这么固执？
He was too stubborn/obstinate to admit that there was a problem.
他死不承认有问题。
相关例句：
He is a pigheaded [ bullheaded] person.; He is a stubborn as a mule.
这人真拧。
He is indeed rather stubborn.
他这人实在很死性。
Both of them are too stubborn to agree a compromise.
他们两个都太固执，都不同意一项折中办法。
He is a pigheaded [ bullheaded] person.; He is as stubborn as a mule.
这人真犟。
He is really stubborn!
他实在太顽固了！
He is always very opinionated and stubborn.
他平日很自是，又倔强。