半夏微凉不成殇
[bàn xià wēi liáng bù chéng shāng]
'Ban Xia Wei Liang Bu Cheng Shang' describes a feeling that while there is slight sadness, it does not cause great sorrow or harm (literally translates to 'Slightly Cool at Midsummer without Injury'). The username may suggest the user has experienced light-hearted pain but it didn't leave a significant mark.