tenacity of theories

例句：

1. 1. The climber's tenacity in the face of adversity is truly inspiring.
   这位登山者在逆境中展现出的坚韧精神令人钦佩。
2. 2.Despite facing numerous challenges, she maintained her tenacity and continued to strive for success.
   尽管面临重重困难，她仍保持坚韧不拔，继续努力追求成功。
3. 3.His tenacity in persevering through difficult times earned him respect from his colleagues.
   他在艰难时期坚持不懈的精神赢得了同事们的尊重。