Duke Zhou dreamed that a blue dragon stayed in the sea for a while and then went into the sea. What does this mean?

When men dream of flying dragons, there will be obstacles in doing things, and it will be difficult to achieve their goals. Lovers dream of flying dragons, and interpersonal relationships will improve. For example, if you are loved by your classmates, you will have a new beginning with your lover, and the climax of love is coming soon. Asking scholars to dream of flying dragons shows that their exam results are not good.