形容词
1. Exercise will keep you youthful.
体育锻练会使你充满活力。
2. The boy looked very youthful.
这孩子看起来岁数很小。
3. Despite her age she still had a youthful body.
尽管她上了年纪，她的身体仍然富于青春活力。
4. He was full of youthful curiosity.
他充满了年轻人的好奇。
1. 年轻的, 青年的：wrongful heir 非法的继承人 | youthful 年轻的;青年的 | youthful offender 青少年罪犯
2. 青年人的,青春的;有朝气的,年轻的：youth:青少年时期;青春,活力 | youthful:青年人的,青春的;有朝气的,年轻的 | She's a very youthful sixty-five. 她已六十五岁却显得很年轻
3. 年青的：youth 青年 | youthful 年青的 | zeal 热心
1. 年轻的;显得年轻的;富有青春活力的;朝气蓬勃的
Someone who is youthful behaves as if they are young or younger than they really are.
e.g. I'm a very youthful
50.
我50岁了，但仍富有青春活力。
e.g. ...youthful enthusiasm and high spirits...
青春的热情和高昂的情绪