一無所知 Save Sign in to save words Simplified: 一无所知 On the HSK 7-9 vocabulary list, at CEFR level C2. yīwúsuǒzhī ㄧ ㄨˊ ㄙㄨㄛˇ ㄓ 男 女 not knowing anything at all completely ignorant idiom Character by character 一(yī)one 無(wú)not to have 所(suǒ)actually 知(zhī)know A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT