爱到全世界都崩溃笑到全世界都流泪
[ài dào quán shì jiè dōu bēng kuì xiào dào quán shì jiè dōu liú lèi]
A poetic and hyperbolic way of expressing intense emotions: loving someone so deeply that it could cause the world to collapse in awe, or laughing so joyfully that everyone might cry from how moving it is.