obdurate ------------ 固執(zhí)的（形容詞）
英文釋義
(adjective) Unreasonably stubborn; not willing to change opinions; hardened against either feeling or logic.
例句
Regardless of their hard work or loyalty to the company, the obdurate old owner refused to treat his employees kindly or fairly.
盡管員工們努力工作，對公司忠心耿耿，但是老邁而固執(zhí)的老板卻不愿意好心或者公平地對待他們。