反覆 A variant writing of 反复 On the HSK 3 vocabulary list, at CEFR level B1. fǎnfù ㄈㄢˇ ㄈㄨˋ repeatedly over and over to upend unstable to come and go to return of an illness 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