不料

bùliào
  1. unexpectedly
  2. to one's surprise

CEDICT

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 料 liào
  1. material
  2. stuff
  3. grain
  4. feed
  5. to expect
  6. to anticipate
  7. to guess