She is obstinate.
Je tvrdohlavá.
As he grew older, he became more obstinate.
Jak stárnul, stával se tvrdohlavějším.
He is obstinate in his opinion.
Podle jeho názoru je tvrdohlavý.
He is the most obstinate child I have ever seen.
Je to nejtvrdohlavější dítě, jaké jsem kdy viděl.
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