“顽强的”用英语怎么说？

事业要成功，才能、勤奋和顽强的意志都至关重要。Talent, hard work and sheer tenacity are all crucial to career success.士兵难以置信地看着这个异常顽强的孩子。The soldier looked incredulously at the feisty child.澳大利亚队另外还具备了顽强的意志.The Australian team had the added ing...