UNSOLVED
a.Not solved; not explained.
unsolved
un solved |ˌənˈsälvd ʌnˈsɑːlvd | ▶adjective not solved: an unsolved mystery.
un |solved |ʌnˈsɒlvd | ▶adjective not solved: an unsolved mystery.
ù n s ó lved 形容詞 〈事件 問題などが 〉未解決の .