بچه که تا آخر بچه نمی مونه یک روزی بزرگ می شه

Question

یک اصطلاح برای اینکه بگیم ""بچه که تا آخر بچه نمی مونه یک روزی بزرگ می شه""

Answer 1

He won't be a boy forever, he'll become a grown-up eventually.

Answer 2

Kids do not stay the same forever. They grow up at some point.

Grow up

to develop from being a child to being an adult

used to tell someone to behave in a more responsible way, like an adult

Ref, Longman

Maybe others can come up with better ideas!

Answer 3

Kids won't be kids for good. They'll grow up one day.