哇 On the HSK 6 vocabulary list, at CEFR level C2. wā ㄨㄚ Wow! sound of a child's crying sound of vomiting wa ˙ㄨㄚ replaces 啊[a5] when following the vowel "u" or "ao" 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