scoffer  
noun [ C usually plural ] uk/ˈskɒf.ər/ us/ˈskɑː.fɚ/
  (LAUGHER)      
  嘲笑者,讥笑者
someone who laughs and speaks about a person or idea in a way that shows that they think that person or idea is stupid or silly
  I was able to prove the scoffers wrong. 我证明了嘲笑者是错的。 
 - More examples
- Scoffers may scoff, jeerers may jeer, but the fishermen and other locals stand by their tale.
- Plenty of scoffers have questioned whether a bunch of musicians can change the world by playing a short set and shouting a few slogans.
- She delivers the ludicrous lyrics with such conviction that even a hard-core scoffer might be converted.
- Despite what the scoffers say, smartphones and the internet offer more than games and downloads of cute cats.
  (EATER)      
 UK informal贪吃的人,狼吞虎咽的人 
someone who eats a lot of something very quickly
  chocolate scoffers 狼吞虎咽吃巧克力的人 
 See: scoff
 - More examples
- Geared towards children, it still has a lot to offer the serious chocolate scoffer.
- The product is perfect for scoffers who like to devour chips night and day.
- The show features grinning jellied-eel scoffers in the East End of London.