wenn du älter bist

when you are older

→ wenn
phrase Rare #42,005
when you are older Used to refer to a future time when someone has grown older. The phrase can also appear as a sentence fragment when the rest is understood from context.
GE: Wenn du älter bist, kannst du selbst entscheiden.
EN: When you are older, you can decide for yourself.

Wenn du älter bist.

When you are older.

— Die Hand Gottes (2021)

Das rächt sich sonst, wenn du älter bist.

You'll regret it when you're older.

— The Great Flood (2025)

Was wirst du tun, wenn du älter bist?

What will you do when you're older?

— One Battle After Another (2025)

Wenn du älter bist, wirst du das verstehen.

When you're older, you'll understand.

— Pans Labyrinth (2006)