weiss ich

I know; in “Was weiss ich?”: “What do I know?” or “How should I know?”

→ wissen
phrase Rare #32,432
I know; in “Was weiss ich?”: “What do I know?” or “How should I know?” “Weiss” is the Swiss spelling; standard German writes “weiß.”
GE: Was weiss ich?
EN: How should I know?

Jetzt weiss ich's.

Now I know.

— Caché (2005)

Weiss ich selbst, das war Campari!

I know that myself; that was Campari!

— Amarcord (1973)

"Aber jetzt weiss ich es."

But now I know.

— Der Postmann (1994)

Also wenn du nicht sagst, was los ist, weiss ich auch nicht, was wir machen.

Well, if you don't say what's going on, I really don't know what we're going to do.

— Caché (2005)

Was weiss ich?

What do I know?

— Caché (2005)

Weiss ich nicht.

I don't know.

— Caché (2005)

Ihretwegen weiss ich das zu schätzen.

I appreciate it because of you.

— Caché (2005)

Was weiss ich.

How should I know?

— Caché (2005)