不肖

bùxiào
  1. (literary) unlike one's parents
  2. degenerate
  3. unworthy

CEDICT

literary

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 肖 xiào
  1. similar
  2. resembling
  3. to resemble
  4. to be like