"youthful" in Chinese (Simplified)
有朝气的年轻的
Definition
形容某人或某事物看起来、感觉上或表现得像年轻人，或让人想起年轻人。
Usage Notes (Chinese (Simplified))
比单纯用“young”更正式，多用于夸奖成年人的精力、气质或外表，有“youthful appearance”、“youthful energy”等搭配。一般不用于儿童。
Examples
She has a youthful smile.
她有一个**有朝气的**微笑。
His grandfather stays youthful by exercising daily.
他的祖父每天锻炼，保持**年轻**。
The clothes in that store are very youthful.
那家店的衣服很**有朝气**。
Despite her age, she has such a youthful energy about her.
尽管年龄大了，她依然充满**朝气**。
He changed his hairstyle for a more youthful look.
他换了发型，让自己看起来更**年轻**。
There's something youthful about the way he laughs.
他笑的方式有种**年轻**的感觉。