意志坚强的

例句：

1. 1.He is resolute in his decision to leave the company.
   他决定离开公司时非常坚定。
2. 2. The leader was resolute in his fight against corruption.
   领导人在对抗腐败的斗争中非常坚决。
3. 3. The young man was resolute in his pursuit of knowledge.
   年轻人对知识的探求非常坚定。