不错

不錯
bùcuò
  1. correct
  2. right
  3. not bad
  4. pretty good

CEDICT

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 错 cuò
  1. mistake
  2. wrong
  3. bad
  4. interlocking
  5. complex
  6. to grind
  7. to polish
  8. to alternate
  9. to stagger
  10. to miss
  11. to let slip
  12. to evade
  13. to inlay with gold or silver