hangover  
noun [ C ] uk/ˈhæŋˌəʊ.vər/ us/ˈhæŋˌoʊ.vɚ/
  (ILLNESS)      
  (大量饮酒后的)宿醉,不适反应
a feeling of illness after drinking too much alcohol
  I had a terrible hangover the next morning. 第二天上午我宿醉反应很强烈。 
 a hangover cure 解宿醉的方法 
 See also: hungover
   (CONTINUING)      
 遗留物
something that continues from an earlier time
  The present political system is a hangover from the colonial era. 现行的政治制度是殖民时期遗留下来的。