頑固 Save Sign in to save words Simplified: 顽固 On the HSK 7-9 vocabulary list, at CEFR level C2. wángù ㄨㄢˊ ㄍㄨˋ stubborn obstinate Character by character 頑(wán)mischievous 固(gù)hard 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