The baby fit into the thin curve of the young shoulder.
He's already got an old head on his young shoulders, you know.
Unfortunately, for them the fate of the whole world rests on their young shoulders!
The old magician leaned on the young one's shoulder as they walked after the others.
She took him in her arms, cradling his lean young shoulders like a baby.
You can't put an old head on young shoulders, yes?
He turned and laid both his hands upon her firm young shoulders.
I was seven, but with (in retrospect) a surprisingly old head on those young shoulders.
But in the 18th century, young shoulders bore a lighter burden.
I do not expect old heads on young shoulders.