红颜泪谁知挽不住往昔
[hóng yán lèi shéi zhī wăn bù zhù wăng xī]
Here red face ('Red beauty' typically represents young girls in Chinese literature); Tears imply sorrow or melancholy feelings. Overall message seems to reflect upon past memories hard to hold back despite one trying - especially regarding lost love - thus stirring reminiscence of youthfulness and regrets.