The meaning of this sentence is that there is moonlight in the dream, and there is you, just like the impression you had on me when we first met. This is a poem expressing feelings, and its meaning is relatively abstract. Among them, "moonlight in dreams" may refer to beautiful memories or feelings of happiness, while the presence of "you" represents the other person's love or companionship.
It should be noted that this sentence does not come from a complete sentence, but from a line of lyrics in a poem or song. Therefore, the specific meaning and background need to be understood contextually.
If you want to express similar emotions, you can use similar verses or lyrics to express it. But in real life, we need to express our emotions more directly and avoid using too abstract language to avoid misunderstandings.
When expressing emotions, you need to pay attention to the other person's feelings and acceptance, and avoid being too direct or offensive. Consider using tactful words and tone, or expressing your emotions through practical actions.