cookie  
noun [ C ] uk/ˈkʊk.i/ us/ˈkʊk.i/
  (BISCUIT)      
 A2 mainly US小甜饼,曲奇饼 
a small, flat, sweet food made from flour and sugar
  chocolate-chip cookies 巧克力甜饼 
 - More examples
- How clever of you to buy chocolate chip cookies - they're my favourites.
- If you eat three good meals a day, you shouldn't need to snack on cookies and crisps.
- This recipe makes three dozen cookies.
- Ma Johnson always used to bake the best cookies.
  (TYPE OF PERSON)      
  US informal…样的人 
a person of the type mentioned
  She's a smart/tough cookie. 她是个聪明/顽强的人。 
   (COMPUTING)     
C2 “甜饼”记忆块,魔块,网络跟踪器(记录上网用户信息的文件)
a piece of information stored on your computer about internet documents that you have looked at
 Idiom  
that's the way the cookie crumblesidiom  saying 生米已成熟饭;事已定局,无可变更
said when something slightly unlucky has happened that could not have been prevented and so must be accepted