不以為然

不以为然
bùyǐwéirán
  1. not to accept as correct (idiom); to object
  2. to disapprove
  3. to take exception to

CEDICT

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 以為 yǐwéi to think; to believe (often with the implication that the belief is mistaken – unless referring to one's own current belief)
3 然 rán
  1. correct
  2. right
  3. so
  4. thus
  5. like this
  6. -ly