unwavering courage

• 坚定的志气； 毫不动摇的意志／决心

unwavering courage的用法和样例：

例句

1. However, the fact that this word entered my head at this juncture shows that I haven't lost all my courage to do so.
   现在还能想到这两个字，足证我的志气还没有完全消磨尽哩！