recalcitrancy

例句：

1. 1. The scientist's recalcitrancy made it difficult to convince him of the importance of the new findings.
   科学家的固执使得说服他接受新发现的重要性变得困难。
2. 2. Despite repeated attempts at persuasion, she remained recalcitrant to change her mind.
   尽管经过多次劝说，她仍然固执地不愿改变主意。
3. 3. The child's recalcitrancy was a source of frustration for his parents.
   孩子的固执是父母们感到沮丧的原因。