ostrich  
noun [ C ] uk/ˈɒs.trɪtʃ/ us/ˈɑː.strɪtʃ/
  (BIRD)      
  鸵鸟
a very large bird from Africa that cannot fly
  The ostrich is the fastest animal on two legs. 鸵鸟是跑得最快的两足动物。 
   (PERSON)      
 informal逃避现实者,不愿正视现实者 
someone who says that a problem does not exist, because they do not want to deal with it
  If you're an ostrich about your debts, you're only going to make matters worse. 如果你不愿正视自己的债务问题,只会让事情变得更糟糕。