smoothie  
noun [ C ] uk/ˈsmuː.ði/ us/ˈsmuː.ði/
  (DRINK)     
  (将水果、冰和酸奶或冰激凌调匀制成的)奶昔
a thick, cold drink made from fruit and often yogurt or ice cream, mixed together until smooth
   (NOT SINCERE)      
 disapproving能说会道的人,油嘴滑舌的人 
a man who is very polite, confident, and able to persuade people, but in a way that is not sincere
  He's such a smoothie - I just assumed he worked in sales. 他那么能说会道——我还以为他是做销售工作的。