According to Baidu Encyclopedia, I am not afraid of wind and rain. It is the lyrics of the song "Green Flowers in the Army", which is very popular in military camps. This song was written and sung by singer Xiao Ceng, and was passed down from mouth to mouth in the military camp. Written by Xiao Ceng and Wu Songjin and composed by Xiao Ceng, it was released on June 25th, 2003.
Part of the lyrics: I am not afraid of wind and rain. I sincerely wish my mother a long and healthy life. Go home after the celebration, and then visit your good mother.