咳 On the HSK 5 vocabulary list, at CEFR level C1. hāi ㄏㄞ sound of sighing (interjection expressing surprise, sorrow, regret, disappointment etc) oh damn wow ké ㄎㄜˊ cough Words with 咳 Starting with 咳 咳嗽 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