飞速 Save Sign in to save words Traditional (Taiwan): 飛速 On the HSK 7-9 vocabulary list, at CEFR level C2. fēisù ㄈㄟ ㄙㄨˋ swift rapidly Character by character 飞(fēi)fly 速(sù)fast 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