Pronunciation: [kˈɪn kˈa͡ɪ] (IPA)
Correct spelling for the English word "qin kai" is [kˈɪn kˈa͡ɪ], [kˈɪn kˈaɪ], [k_ˈɪ_n k_ˈaɪ] (IPA phonetic alphabet).