Cherish The Good Youth
珍惜美好青春时光
谁都想让青春永驻，不忍青春离去。
It is the thing whose passing he watches with infinite sorrow and regret.
眼睁睁地看着青春流逝,心中会涌起无穷的忧伤和惋惜。
It is the thing whose loss with a sad and secret joy.
青春的失去是人们真正觉得悲喜交集的事。
It is a wonderful thing, it is so full of anguish and of magic.
青春奇妙无穷，充满魅力，充满痛楚。
He never comes to know it as it is, until it has gone from him forever.
青春年少的时候根本不知青春为何物，直到青春一去不复返了才对青春有了真正的认识。