wusste, was

knew what

→ wissen
phrase Uncommon #18,988
knew what Introduces an indirect question or clause; the comma separates the clauses in German.
GE: Sie wusste, was sie sagen musste.
EN: She knew what she had to say.

Er wusste, was passieren würde.

He knew what would happen.

— Die Fälscher (2007)

Tom wusste, was für eine Frau Maria war.

Tom knew what kind of woman Maria was.

Tom antwortete nicht, weil er nicht wusste, was er sagen sollte.

Tom didn’t reply because he didn’t know what to say.

Sie wusste, was ich sagen würde, bevor ich es gesagt habe.

She knew what I was going to say before I said it.

— Durst - Thirst (2009)

Ich war nicht der einzige, der wusste, was bevorstand.

I wasn't the only one who knew what was coming.

Er wusste, was ich meinte.

He knew what I meant.

Weil er nicht wusste, was er sagen sollte, schwieg er.

Because he didn't know what to say, he remained silent.

Tom wusste, was er tat.

Tom knew what he was doing.

Nein, ich wusste, was passieren würde.

No, I knew what would happen.

— Kill Bill: The Whole Bloody Affair (2011)

Tom wusste, was in der Höhle verborgen war.

Tom knew what was hidden in the cave.

Keine der Frauen wusste, was tun.

None of the women knew what to do.

Jeder wusste, was er zu tun hatte.

Everyone knew what they had to do.

Er wusste, was dem Harbor House geschuldet wurde.

He knew what was owed to the Harbor House.

Sie wusste, was kommt.

She knew what was coming.

— Rebecca (1940)

Tom wusste, was Maria wusste.

Tom knew what Maria knew.

Ich war nicht die einzige, die wusste, was bevorstand.

I wasn’t the only one who knew what was coming.