临危不惧: face danger fearlessly; be brave in a dangerous situation; be brave in the face of danger; be fearless in the face of danger; be fearless in the face of peril; be undaunted in the face of
勇于: be brave in; be bold in; have the courage to 短语和例子勇于创新 be bold in making innovations; strive to make inventions; 勇于开拓 dare to blaze new trails; 勇于探索 dare to explore; 勇于负责 be brave in shoul