他试图把弯曲的金属丝弄直。
He tried to ___unbend the twisted wire.
尽管大家都劝她改变主意，她仍然固执己见。
Despite everyone's advice, she remained ___unbending in her decision.
老师平时很严肃，但下课后就会放松下来和学生们聊天。
The teacher is usually strict, but after class she ___unbends and chats with students.
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