ironwilled

例句：

1. 1.He is ironwilled in his beliefs, never wavering from them.
   他在信念上是铁石心肠的，从不动摇。
2. 2. The leader's ironwilled determination to succeed was a source of inspiration for the team.
   领导者坚定不移的决心是团队灵感的来源。
3. 3. Despite facing numerous obstacles, she remained ironwilled and continued to push forward.
   尽管面临重重困难，她依然坚定不移，继续前进。