以為 Simplified: 以为 On the HSK 2 vocabulary list, at CEFR level A2. yǐwéi ㄧˇ ㄨㄟˊ to think to believe (often with the implication that the belief is mistaken – unless referring to one's own current belief) Where 以為 is used Example sentences and grammar articles using 以為 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