时光偷走了上扬的嘴角
[shí guāng tōu zŏu le shàng yáng de zuĭ jiăo]
'Shi Guang Tou Zou Le Shang Yang De Zu Jiao' which means 'Time has stolen away my smiling corners of my mouth'. It signifies sorrowful thoughts on how over time one lost their happy, joyous self.