1. Despite numerous attempts to convince him otherwise, he remained obdurate in his decision to quit his job.
尽管有多次尝试说服他改变主意，他仍然固执地决定辞职。

2. The criminal showed no remorse and was obdurate during his trial.
犯罪嫌疑人在审判中毫无悔意，表现得很固执。

3. The company's CEO was obdurate in his refusal to negotiate with the striking workers.
公司的首席执行官拒绝与罢工工人进行谈判，表现得很固执。

4. Despite the evidence presented against him, the defendant remained obdurate in his plea of innocence.
尽管有针对他的证据，被告仍坚持自己是无罪的。

5. The politician was known for his obdurate stance on immigration reform.
这位政治家因对移民改革的固执立场而闻名。

6. The teacher tried to reason with the obdurate student, but he refused to listen.
老师试图和那个固执的学生理性沟通，但他拒绝听从。