不光

bùguāng
  1. not the only one
  2. not only

CEDICT

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 光 guāng
  1. bright; shiny
  2. only; merely
  3. used up; finished
  4. to leave (a part of the body) uncovered

classifier: 道