tenacious [təˈneʃəs]

例句:

• She's a tenacious woman. She never gives up.
  她是个坚毅的人，从不放弃。
  
• We must learn from the tenacious fighting spirit of Lu Xun.
  我们要学习鲁迅先生韧性的战斗精神.
  
• He has a tenacious memory.
  他有很强的记忆力.
  
• Streb is tenacious when it comes to flight.
  来自NEWYORKER
• Female feet, Too weak to struggle with tenacious clay.
  来自W. Cowper
• He was the definition of the word tenacious.
  来自WSJ