Always be young at heart.

永远保持年轻的心态.

It is best to be young at heart.

心中保持年轻是最好的.

Be old in age but young at heart

人老心不老；比实际年龄少相

Jingle Ma is still young at heart.

顺口溜马是还年轻的心。

I think people can be young at heart.

但我认为人们可以保持年轻的心境。

My grandmother is still young at heart.

我祖母的内心仍然很年轻。

Leslie: Well, you need to always be young at heart.

嗯，人要常保持年轻的心境。

Many of us were just kids then, we’re still young at heart now.

我们大多数人当时还只是孩子，我们的心态到现在依然年轻。

He is young at heart and is fond of watching cartoons with his grandson.

他是个老来少,最爱跟孙子一起看动画片.

Young-at-heart Almeda and Gary are convinced they are the perfect match.

永葆心龄的阿尔梅达和盖瑞相信，他们是天生一对。