发病 Traditional (Taiwan): 發病 On the HSK 6 vocabulary list, at CEFR level C2. fābìng ㄈㄚ ㄅㄧㄥˋ to occur of an illness to get sick to fall ill of a person onset (of a medical condition) 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