梦里那场花开不败现实那场雨下不停
[mèng lĭ nèi chăng huā kāi bù bài xiàn shí nèi chăng yŭ xià bù tíng]
In dreams, the flowers never cease to bloom, but in reality, it's like a continuous rain. It implies that people often idealize things or have fantasies which differ vastly from their tough and ongoing life experiences.