不以为然 bùyǐwéirán not to accept as correct (idiom)
not to accept as correct (idiom); to object; to disapprove; to take exception to
How to remember 不以为然: 不 not + 以 to use + 为 for + 然 however = not to accept as correct (idiom).
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How it is used
- Idiom 'to disapprove, take exception; not think it right' - 他对这个建议不以为然 (tā duì zhège jiànyì bùyǐwéirán) he didn't approve of the suggestion.
- Trap: not 不以为意 (= not care). 然 = 'so/correct', so this is disagreement, not indifference.