不到

bùdào
  1. not to arrive
  2. not reaching
  3. insufficient
  4. less than

CEDICT

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 到 dào
  1. to reach; to arrive
  2. to leave for; to go to
  3. to (a place); until (a time); up to (a point)
  4. (verb complement indicating arriving at a place or reaching a point)
  5. considerate; thoughtful; thorough