lily-white /ˈlɪliˈhwaɪt, ˈwaɪt/
  (a.)純白的,無疵的,純真的
  lily-white
       adj 1: restricted to whites only; "under segregation there were
              even white restrooms and white drinking fountains"; "a
              lily-white movement which would expel Negroes from the
              organization" [syn: white]
       2: a pure white color