“倔强的”的英语？

严肃、严谨、倔强的他同时又冷漠、多疑、敏感、不会变通。Formal, exact and obstinate, he was also cold, suspicious, touchy and tactless.我叔叔是位严格而又倔强的军医,他曾身经两次大战.My uncle was a hard - nosed army officer who had seen service in two wars.驴被认为是最倔强的牲畜。Donk...