Old dreams are difficult to continue and become empty, which means that the good experiences of the past are difficult to continue and hope has been lost. Old dreams are metaphors of past experiences.
A lonely shadow is hazy in the breeze, which means being alone in the breeze and hazy moonlight. It can also be understood that there are only breezes and hazy moonlight, accompanied by lonely figures.
Drinking 3,000 cups with tears in your eyes means drinking crazily and unrestrained with tears in your eyes, and drugging yourself with alcohol.
It is like waking up like a dream, which means that the whole day's life is half awake and half drunk, and it seems to be divorced from the real world. In the dream, the mind is dull and the mood is low.