1. 名詞
   不可數名詞: 頑強, 堅持不懈
   

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

例句

1. But his doggedness paid off.
2. BTW Mark, I too marvel at your doggedness .
3. Doggedness was one of the virtues which Ella prized.
4. His doggedness has ensured the topic has stayed in the headlines this year.
5. Marc put his hands in his pockets, apparently unruffled by Peter's doggedness .
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