was machst du denn da

what are you doing there

→ was
phrase Rare #31,380
what are you doing there An informal question expressing surprise, concern, or curiosity. “Denn” adds emphasis or a tone of surprise and is often not translated directly.
GE: Was machst du denn da in der Küche?
EN: What are you doing there in the kitchen?

Hey, was machst du denn da?

Hey, what are you doing there?

— Gangs of Wasseypur - Teil 1 (2012)

Was machst du denn da, Schatz?

What are you doing there, honey?

— Inception (2010)

Was machst du denn da?!

What on earth are you doing?!

— Happy Together (1997)

Was machst du denn da, Kyoko.

What on earth are you doing there, Kyoko?

— Nobody Knows (2004)

Was machst du denn da?

What are you doing here?

— Anora (2024)

Ach komm, Giuseppe, bist du verrückt, was machst du denn da?

Oh, come on, Giuseppe, are you crazy? What on earth are you doing?

— Glücklich wie Lazzaro (2018)