If you see a swan in a dream, then this means a mixing of sadness and success at the same time . You will be prone to sadness and worries, but you will succeed in your work . If you catch a swan, you will be able to overcome conditions that cause sadness and worry . If you kill a swan in a dream, it will follow devious and blunt methods to gain the rights of others . But if you killed a swan flying in the air, your condition will change and you will live on the edge of anxiety and worries .