回函 Save Sign in to save words huíhán ㄏㄨㄟˊ ㄏㄢˊ a reply (in writing) Character by character 回(huí)Hui ethnic group 函(hán)envelope Other words read huíhán huihan with other tones 挥汗 挥翰 Often confused with huihan 回航 Other words read huíhán huihan with other tones 揮汗 揮翰 Often confused with huihan 回航 A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0