自以為是

zìyǐwéishì

consider oneself (always) in the right; regard oneself as infallible; be self-opinionated

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zì yǐ wéi shì

adj. opinionated

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zi4 yi3 wei2 shi4

to believe oneself infallible (idiom), to be opinionated

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自以為是|自以为是 [zì yǐ wéi shì] ► to believe oneself infallible (idiom) ► to be opinionated