回头 Traditional (Taiwan): 回頭 On the HSK 5 vocabulary list, at CEFR level C1. huítóu ㄏㄨㄟˊ ㄊㄡˊ to turn round to turn one's head later by and by 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