What does it mean to swim in the sea of clouds and jump into the river?

Hello, what does it mean to swim in the sea of clouds and jump into the river? Phoenix swims in the sea of clouds, and fish jumps over the river. The meaning of this sentence is that the phoenix flies freely in the sea of clouds, and the fish strive to jump out of the river and go straight into the sky. This image expresses people's yearning and desire for freedom, transcendence and exploration of the unknown. Phoenix and fish are symbolic in China culture: Phoenix is regarded as an auspicious bird, representing happiness and freedom; Fish symbolizes flexibility, freedom and vitality. This idiom can also be extended to mean that people should have the courage and determination to explore the unknown and seek freedom, constantly surpass themselves, challenge the limits and realize their dreams and goals. This is a positive attitude towards life, which encourages people to keep forging ahead and pursue growth and progress in life.