mir war nicht klar, daß

I didn't realize that

→ ich
phrase Rare #34,995
I didn't realize that This phrase means that something was not known or understood by the speaker at the time. Modern German usually spells daß as dass.
GE: Mir war nicht klar, daß der Laden schon geschlossen hatte.
EN: I didn't realize that the store had already closed.

Mir war nicht klar, daß ihr das schon getan hattet.

I wasn’t aware that you had already done that.

Mir war nicht klar, daß du das schon erledigt hattest.

I didn't realize you'd already taken care of it.

Mir war nicht klar, daß ihr solchen Hunger habt.

I didn’t realize you were that hungry.

Mir war nicht klar, daß Sie das schon erledigt hatten.

I wasn’t aware that you had already taken care of it.