瘋子 Save Sign in to save words Simplified: 疯子 On the HSK 7-9 vocabulary list, at CEFR level C2. fēngzi ㄈㄥ ˙ㄗ 男 女 madman lunatic Character by character 瘋(fēng)insane 子(zi)noun suffix, as in 椅子 yǐzi "chair" Words that sound like fēngzi 分子 奉旨 份子 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