fishy  
adjective uk/ˈfɪʃ.i/ us/ˈfɪʃ.i/
  (DISHONEST)      
  informal可疑的;虚假的 
seeming dishonest or false
  There's something fishy going on here. 这儿的情况有点不大对头。 
   (LIKE FISH)     
 鱼味的;鱼腥味的
tasting or smelling of fish
 Idiom  
smell fishyidiom  informal 感觉可疑
If a situation or an explanation smells fishy, it causes you to think that someone is being dishonest.