1、Youthfulness is a matter of attitude to life, not of the year of birth
年輕是一種對生活的態(tài)度，而不是出生的年份。

2、Youthfulness can absolutely be a persistent matter!
青春的狀態(tài)是絕對可以持續(xù)的！

3、He has a youthfulness about him that nothing seems to affect.
他有著一股年輕人般的勁頭，似乎什么都影響不了。

4、As the time goes, our youthfulness has gone and never came back.
時間流逝，我們的青春已逝而再也沒有回來。

5、Youthfulness is a matter of attitude to life, not of the year of birth.
年輕是一種對生活的態(tài)度，而不是出生的年份。