長足 Save Sign in to save words Simplified: 长足 On the HSK 7-9 vocabulary list, at CEFR level C2. chángzú ㄔㄤˊ ㄗㄨˊ remarkable (progress, improvement, expansion etc) Character by character 長(cháng)long 足(zú)foot 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