词汇学习：有关courage“勇气”的英语词汇

exploit n.  功勋，业绩
---------heroic act; daring deed; feat 
Robert E. Peary won worldwide fame foe his exploits as an Arctic explorer.     
   
fortitude n. 坚韧
-------courage in facing danger, hardship or pain; endurance; bravery; pluck; backbone; valor 
The captain showed remarkable fortitude in continuing to lead his men despite a painful wound.  
       
audacious adj. 1.勇敢的    2.无礼的
-------1. bold; fearless daring  2. too bold; insolent; impudent 
Risking serious injury, the outfielder made an audacious leap against the concrete wall and caught the powerfully-hit ball. 
After we had waited for about twenty minutes, an audacious freshman came along and tried to get in at the head of our line.  
    
dauntless adj. 勇敢的
------fearless; intrepid; very brave; valiant 
The frightened sailors wanted to turn back, but their dauntless leader urged them to sail on.  
   
indomitable adj. 不屈不挠的
-----incapable of being subdued; unconquerable; invincible 
Columbus had an indomitable belief that he would reach land by sailing west.  
   
plucky adj. 勇敢的
-------courageous; brave; valiant; valorous 
Though defeated, our team put up a plucky defense against their taller and huskier opponents.  
   
rash adj. 冲动的 
-----overhasty; foolhardy; reckless; impetuous; taking too much risk 
When a person loses his temper, he may say or do something rash and regret in afterwards.