决不

決不
juébù
  1. not at all
  2. simply (can) not

CEDICT

Entry Composition

1 决 jué
  1. to decide
  2. to determine
  3. to execute (sb)
  4. (of a dam etc) to breach or burst
  5. definitely
  6. certainly
2 不 bù
  1. no; not so
  2. (bound form) not; un-