tja

Indicates thinking or pondering

• Hmm, do you really want to know?

  Hm, willst du das wirklich wissen?

  Tatoeba · marcelostockle · CC BY 2.0 FR

• Hmm. It would be good if someone were there.

  Tatoeba · AlanF_US · CC BY 2.0 FR

tja

especially a response by a person who is questioned or addressed when not expecting it — Indicates surprise or cluelessness

tja

A demand for an answer to a questionselten

To make a thoughtful humming noise