凉了时光伤了心脏
[liáng le shí guāng shāng le xīn zàng]
'Liang le shi guang shang le xin zhang', which literally means 'the time has cooled down and my heart has been injured'. Here it expresses that the user had gone through hard times and felt deep pain at the same time. In Chinese internet slang, 'cooling down' also indicates loss of feelings or fading away