一无所知 (一無所知) yī wú suǒ zhī

yī wú suǒ zhī set phrase to not know anything at all
Domain: Idiom 成语
Notes: In the sense of 什么也不知道 (CC-CEDICT '一無所知'; CCI '一无所知', p. 63; Guoyu '一無所知')

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Truncated for common words