1. 名詞
   不可數名詞: 倔強, 頑固
   執迷不悟
   難以駕馭, 難以控制
   難以治療, 難以消除
   

   同義字詞
   bullheadedness,doggedness,hardheadedness,intransigence,mulishness,obduracy,obdurateness,obstinacy,opinionatedness,pertinaciousness,pertinacity,pigheadedness,self-will,stubbornness,willfulness
   

例句

1. " Virtues of obstinateness The key moment came early in the campaign.
2. Smuts' obstinateness became the butt of jokes, some of which described South Africa as "a democracy, with due apologies to Jan Smuts".