盛夏流年谁许谁地老天荒
[shèng xià liú nián shéi xŭ shéi dì lăo tiān huāng]
The phrase means 'In the heat of summer, fleeting time and endless years. Who promised to grow old with you? It is an expression about longing for someone who has left or might never return. The user probably wants to express feelings of sadness about unfulfilled love or a promise that was broken.'