youthfulness
n. 青年,少壮; 青春
Someone who is youthful behaves as if they are young or younger than they really are.
I'm a very youthful 50.
我50岁了,但仍富有青春活力。
...youthful enthusiasm and high spirits...
青春的热情和高昂的情绪
1. the freshness and vitality characteristic of a young person
His youthfulness was as striking as hers.
他和她一样青春逼人。
I wonder at her perennial youthfulness.
我对她青春常驻感到惊讶.
'I must say again that I heartily admire your gallantry and youthfulness.'
“ 我必须再说一遍,我衷心佩服你老当益壮的侠义精神. ”
His flesh was gray, and he was losing his youthfulness.
他肤色发灰.他正在失去青春的活力.
It would never do to appear sedate and elderly before Melanie's sweet youthfulness.
可千万不能在媚兰那娇嫩的姿色前显得稳重和老气呀!