十五岁时仍有大把时间 Fifteen there's still time for you 只是难得两度少年 Fifteen，there's never a wish better than this 光阴可以买卖,哪管贵贱 Time to buy and time to lose 追逐生命流年，不过七秒瞬间 Chasing the years of my life， but only seven seconds