笑容的背后是虚伪爱情的背后是泡沫
[xiào róng de bèi hòu shì xū wĕi ài qíng de bèi hòu shì pào mò]
'Behind Smiles Lies Falsehood; Behind Love, Lies Deception' reveals the idea that beneath the outwardly beautiful facade, both smiles and love can sometimes conceal hidden truths—false pretenses or unattainable dreams. It suggests disillusionment with superficial appearances.