what's going on
Ich weiß nicht, was da los ist.
I don't know what's going on.
— Mulholland Drive - Straße der Finsternis (2001)
Könntest du mal nachsehen, was da los ist?
Could you take a look and see what's going on?
Ich frag mich langsam, was da los ist.
I'm starting to wonder what's going on.
— Infernal Affairs (2002)