obdurate ------------ 固执的（形容词）
英文释义
(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.
尽管员工们努力工作，对公司忠心耿耿，但是老迈而固执的老板却不愿意好心或者公平地对待他们。
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