young at heart

US /jʌŋ æt hɑːrt/
UK /jʌŋ æt hɑːrt/
"young at heart" picture
1.

心は若い, 気持ちが若い

having a youthful spirit and attitude, regardless of one's actual age

:
My grandmother is 80, but she's still young at heart and loves to dance.
私の祖母は80歳ですが、まだ心は若いのでダンスが大好きです。
He's always up for an adventure, truly young at heart.
彼はいつも冒険に積極的で、本当に心は若い