不夠

不够
bùgòu
  1. not enough
  2. insufficient
  3. inadequate

CEDICT

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 夠 gòu
  1. enough (sufficient)
  2. enough (too much)
  3. (coll.) (before adj.) really
  4. (coll.) to reach by stretching out