sexy  
adjective uk/ˈsek.si/ us/ˈsek.si/
  (SEX)      
 B2 性感的
sexually attractive
  He's very sexy. 他很性感。 
 a sexy smile 性感的微笑 
 sexy underwear 性感内衣 
 - More examples
- She's got a nice husky voice - very sexy.
- Both songs are in danger of being banned for their sexy, insinuating lyrics.
- He's a real sexy number, don't you think?
- She plays the part of the sexy blonde waitress.
- Arletty was that rare breed of actress - beautiful, sexy and funny.
  (INTERESTING)      
 informal迷人的,吸引人的 
used to describe something that attracts a lot of interest and excitement
  For most people, grammar isn't a very sexy subject. 对大多数人来说,语法不是让人很感兴趣的东西。