superslick  
adjective (also super-slick) uk/ˌsuː.pəˈslɪk/ us/ˌsuː.pɚˈslɪk/
  (SMOOTH/SLIPPERY)      
  超级光滑的
having a surface that is extremely smooth or slippery (= likely to cause something to slide from being very smooth or wet)
  The roads were super-slick after the ice storm.  冰暴过后,道路格外光滑。 
 The cabinets had a superslick black lacquer finish.  橱柜的黑色漆面超级光滑。 
   (SKILFUL)         
 非常精湛的,非常娴熟的
made or done in an extremely skilful way 
  The actor's latest film is a superslick crime caper set in 1940s Los Angeles.  这名演员的最新电影是一部以20世纪40年代的洛杉矶为背景的超级精彩的犯罪片。 
 The ice hockey player made a superslick move to evade the defender and shot the puck into the net.  这位冰球运动员做出了一个非常巧妙的动作来躲避防守者并将冰球射入网中。 
  极其油滑的,极其华而不实的
extremely skilful and effective but not sincere or honest
  We bought our used car from a superslick salesman who talked us into getting a model we really didn't want.  我们的这部二手车是从一个超级狡猾的推销员那里买的,他说服我们买了一辆我们其实并不需要的车型。 
 He plays the part of a super-slick trickster whose scams would only ever work in the movies.  他扮演一个超级狡猾的骗子,他的骗局只有在电影中才会奏效。