courage

courage, bravery, backbone, nerve

这些名词都可表示“勇气、胆量”之意。
courage: 普通用词。指面对危险或困难时无所畏惧的精神和敢于奋斗的进取心。
bravery: 指在危险中表现出的无所畏惧精神或在逆境中仍能坚持下去的毅力。
backbone: 指性格倔强，意志坚定，有骨气，有顽强的决心去做某事。
nerve: 侧重指面临危险或在冒险的情况下具有冷静、清醒的头脑和坚定无畏的勇气。

名词 courage:

1. a quality of spirit that enables you to face danger or pain without showing fear
   同义词：courageousness, bravery, braveness

1. A soldier's courage is put to the proof in battle.
   士兵的勇气在战斗中得到考验。
2. He distinguished himself by his courage.
   他因英勇而扬名。
3. He won honor for his courage.
   他以勇气赢得大家的尊敬。
4. He showed remarkable courage when he faced the danger.
   他在面对危险的时候表现出非凡的勇气。
5. I don't think I have the courage to tell him the bad news.
   我觉得我没有勇气告诉他这个坏消息。