逃不过此间少年经不住似水流年
[táo bù guò cĭ jiān shăo nián jīng bù zhù sì shuĭ liú nián]
Translates roughly to 'Youth in this moment cannot resist the flow of time.' This expresses a sentiment that youthful energy cannot escape or stop time from passing, highlighting the fleeting nature of youth and young love.