stunner       
noun [ C ]  old-fashioned informal uk/ˈstʌn.ər/ us/ˈstʌn.ɚ/
 魅力十足的人;(尤指)美女;非常漂亮的东西
a person or thing that is very beautiful, especially a woman
  The new administrator in accounts is a real stunner. 会计部的新主管是个真正的美女。 
 Compare: hottie (PERSON) lulu