认为 (rènwéi)vs以为 (yǐwéi)
Both mean "to think", but one expresses an opinion and the other expresses a mistaken belief.
认为 (rènwéi)
Expresses a formal opinion or firm belief. Objective.
以为 (yǐwéi)
Expresses an assumption that turned out to be WRONG. Subjective.
| Feature | 认为 (rènwéi) | 以为 (yǐwéi) |
|---|---|---|
| Truth Value | Speaker believes it is true | Speaker realizes it is false |
| Tone | Formal, objective opinion | Realization of a mistake |
translateCompare Examples
✅
大家都认为他很好。
Dàjiā dōu rènwéi tā hěn hǎo.
Everyone thinks he is good.
A stated opinion.
✅
我以为今天是星期五。
Wǒ yǐwéi jīntiān shì xīngqīwǔ.
I thought today was Friday (but it isn't).
A mistaken assumption.