少年不朽放肆梦
[shăo nián bù xiŭ fàng sì mèng]
Translated loosely to 'Youth's undying reckless dream'. This conveys youthful exuberance characterized by relentless ambition despite impracticality where teenagers harbor aspirations and plans for the future that are grand without concern for possibility showing their spirited courage and passion in pursuing their goals.