undaunted

形容词 undaunted:

1. unshaken in purpose
   同义词：undismayed, unshaken
2. resolutely courageous

1. He continued the climb, undaunted by his fall.
   他跌下来也并未气馁，继续攀登。
2. We should learn from her undaunted spirits.
   我们应该学习她那种不屈不挠的精神。