さあね
Well, I really don't know.
さあね、私はよく分かりません
Well, I still don't know even now.
さあね、私は今もよく分かりません
Well, I still don't know now whether they were angry.
さあね、私は怒ったのかを今もよく分かりません
Well, I still don't know now why they were angry.
さあね、私はなぜ怒ったのかを今もよく分かりません
Well, I still don't know now why that person was angry.
さあね、私はその人がなぜ怒ったのかを今もよく分かりません