indefatigable

例句：

1. 1. Theindefatigable leader never gaveup on his dream of creating a betterworld.
   这位不屈不挠的领导者从未放弃他创造一个更美好世界的梦想。
2. 2. Despite facing numerous obstacles, the teamremained indefatigable in theirpursuit of success.
   尽管面临重重困难，团队仍坚持不懈地追求成功。
3. 3. The scientist's indefatigable effortshave led to groundbreaking discoveriesin the field of genetics.
   这位科学家不懈的努力在遗传学领域取得了开创性的成果。