I have been waiting year after year is a relatively common lyric or poem. It can express an emotion of expectation, nostalgia, disappointment or helplessness for someone or something. The previous sentence of this sentence can have many possibilities. Here are some examples:
1. You said you would come back, but I waited year after year. The meaning of this sentence is that the other party once promised to come back to you, but has never fulfilled it, and you have been waiting, feeling disappointed and heartbroken.
2. I have been waiting year after year for the flowers to bloom and fall in my dream. The meaning of this sentence is that I have experienced the blooming and withering of flowers in my dream, but in reality my wish has not been realized. I have been waiting, feeling helpless and vicissitudes of life.
3. Your smile is like the spring breeze, I have been waiting for you year after year. The meaning of this sentence is that I like the other person's smile very much and feel that it is as warm and beautiful as the spring breeze. I have been waiting for it and feel the expectation and desire.
4. Your figure gradually fades away, I have been waiting year after year. The meaning of this sentence is that I watch the other person's figure gradually disappear, and feel that the distance between me and the other person is getting farther and farther. I have been waiting, and I feel nostalgic and melancholy.