foul          
 adjective uk/faʊl/ us/faʊl/
C1 极其令人不快的;恶劣的
extremely unpleasant
  Those toilets smell foul! 那些卫生间太难闻了! 
 I've had a foul day at work. 我今天工作上很不顺利。 
 Why are you in such a foul mood this morning? 你今天早晨的情绪怎么这么糟糕? 
 What foul weather! 多糟糕的天气啊! 
 Synonyms: abhorrent disgustingicky loathsomenauseatingrepellent repugnant repulsiverevoltingyucky 
 C1 (言语或语言)脏话连篇的,粗鲁的,下流的
Foul speech or other language is offensive, rude, or shocking.
  There's too much foul language on TV these days. 如今电视上脏话连篇。 
 foul         
 noun [ C ] uk/faʊl/ us/faʊl/
C2 犯规
an act that is against the rules of a sport
  He was sent off for a foul on the French captain. 他因对法国队队长犯规而被罚下场。 
  (棒球比赛中的)界外
in baseball, a ball that has been hit outside the playing area
 foul  
verb uk/faʊl/ us/faʊl/
  (SPORT)       
  [ I or T ]犯规 
to do something against the rules of a sport
  [ I or T ](棒球比赛中的)界外击球 
in baseball, to hit a ball outside the playing area
   (MAKE DIRTY)      
 [ T ] formal弄脏;污染 
to spoil or damage something by making it dirty
  The oil spill fouled the river and destroyed habitats. 石油泄漏污染了河流,破坏了野生动物聚居地。 
 Phrasal verb   
foul (something) up 搞砸,搞糟
to spoil something by making a mistake or doing something stupid
  I don't want David organizing this party after the way he fouled things up last year. 去年戴维把聚会搞砸了,今年的聚会我不想让他组织。