趁着年轻使劲得瑟
[chèn zhe nián qīng shĭ jìng dé sè]
'Chen Zhe Nian Qing Jin Shui De Se' means 'Take advantage of Youth To Recklessly Celebrate Or Show Off'. It indicates enjoying and showing off in youth, embodying carefree attitude or bravado in youthful years before age limits such actions.