du erwachsen bist

you are grown up

→ du
phrase Rare #44,170
you are grown up This word order is used in subordinate clauses, such as after “when” or “if.”
GE: Wenn du erwachsen bist, kannst du selbst entscheiden.
EN: When you’re grown up, you can decide for yourself.

Wenn du erwachsen bist, wirst du's verstehen.

When you're older, you'll understand.

— Audition (2000)

Jetzt, da du erwachsen bist, ist es an dir zu entscheiden, was du tun willst.

Now that you're an adult, it's up to you to decide what you want to do.

Was willst du tun, wenn du erwachsen bist?

What do you want to do when you grow up?

Die werden warten, bis du erwachsen bist.

They’ll wait until you’re grown up.

— The Bridge (1959)