坚忍

例句：

1. 1. He was determined to succeed in his studies despite the challenges.
   他决心克服困难，努力学习。
2. 2. The company's resilience in the face of economic downturn has been commendable.
   该公司在经济衰退面前表现出的韧性值得赞扬。
3. 3. Her perseverance in pursuing her dreams paid off when she became a successful entrepreneur.
   她坚持不懈地追求梦想，最终成为了一名成功的企业家。