doggedness ['dɒɡɪdnəs]

例句:

• Most of my accomplishments came as the result of sheer doggedness.
  我大多数的成就纯粹是坚持不懈的结果。
  
• But such doggedness comes at the cost of further, perhaps fatal, rebellions.
  布朗先生的顽固换来了更多的, 也许是致命的, 背叛.
  
• "The Big Red One" has lost none of its doggedness.
  来自NEWYORKER
• Helen's doggedness meant that she did finally give birth to Anna at home.
  来自BBC
• He has instilled the same doggedness into a generation of young journalists he has trained.
  来自CNN