washout  
noun uk/ˈwɒʃ.aʊt/ us/ˈwɑː.ʃaʊt/
  (FAILURE)      
  [ C usually singular ] informal彻底的失败 
a complete failure
  The party was a washout - hardly anyone came. 上一次聚会非常失败——几乎没什么人来参加。 
   (CANCELLED EVENT)      
 [ C ]因大雨被取消(或提前结束)的活动(或赛事) 
an event or sports competition that is prevented from happening or stopped early because of heavy rain
 See also: wash something out