Zi Collection, Upper Volume Radical: Person (rén) Page 14, Entry 08 Pronounced gui (falling tone) In the "Book of Characters (Yupiàn)" it is pronounced using the characters "gōng" and "duì" as fanqie, with the same pronunciation as "kuì". The "Book of Characters (Yupiàn)" explains it as sudden pain in the waist. The "Cháo Shì Bìng Yuán" states: "Sudden injury to the waist causing pain is called túyāo." Zi Collection, Upper Volume Radical: Person (rén) Page 14, Entry 09 Pronounced gài In the "Collection of Rhymes (Jíyùn)" it is pronounced using the characters "jū" and "dài" as fanqie, with the same pronunciation as "gài". The meaning is the same.