不住

bùzhù
  1. (verb complement) unable to firmly or securely (grasp, recall etc)
  2. repeatedly; continuously; constantly

CEDICT

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 住 zhù
  1. to live
  2. to dwell
  3. to stay
  4. to reside
  5. to stop
  6. (suffix indicating firmness, steadiness, or coming to a halt)