hash  
 noun uk/hæʃ/ us/hæʃ/
  (FOOD)      
  [ U ]肉末土豆泥 
a mixture of meat, potatoes, and vegetables cut into small pieces and baked or fried
  corned beef hash 咸牛肉土豆泥 
US eggs and hash 鸡蛋和肉末土豆泥 
   (DRUGS)     
  [ U ](hashish的非正式说法) 
informal for hashish 
   (SYMBOL)      
  [ C, usually singular ]电话(或计算机键盘)上的#号 
the symbol # on a phone or computer keyboard
  Please press the hash key to continue. 请按“#”键继续。 
   (FAILURE)     
make a hash of something [ S ] UK informal 做某事很失败
to do something very badly
  He made a complete hash of the last question. 最后一道题他答得完全不对。 
 We heard a brass band making a hash of "Fanfare for the Common Man".
 She made a real hash of her first job in marketing.
 He tried a shot at goal but made a hash of it.
 The show was terrible - he made a hash of even the simplest magic tricks.