菇凉抬头垫脚少年低头索吻
[gū liáng tái tóu diàn jiăo shăo nián dī tóu suŏ wĕn]
This translates to 'the girl looks up while stretching onto her tiptoes, the boy lowers his head to kiss her.' It's often used to describe a sweet romantic scene or youthful love experiences, evoking memories or desires for such moments.