难以攥紧在手里的往昔
[nán yĭ zuàn jĭn zài shŏu lĭ de wăng xī]
'Hard To Hold On To The Past' shows how intangible memories or things in the past have always been hard to keep within grasp, much like time passing by uncontrollably. People tend to use this when talking about fleeting nature of life and love. The feeling of nostalgia plays a big role here.