\"guanggong tragic \" is a fashion phrase amid us . do you know what it means . to tell the truth , it decribes that a tall boy is dating with a much shorter girl .just like such a scene : father goes to the zoo with his little daughter . you don\'t care it ? maybe when you come across this sutiation ,you begin to hesitate : a litter taller seems to be a litter better .what is the condition ? it is that kissing .