knew the answer
O Tom disse que não sabia a resposta.
Tom said he didn't know the answer.
Tom sabia a resposta.
Tom knew the answer.
A professora sabia a resposta, mas deixou os alunos pensarem.
The teacher knew the answer, but she let the students think about it.
O Tom era o único que sabia a resposta.
Tom was the only one who knew the answer.
I knew the answer.
I already knew the answer.
Ele fingiu que não sabia a resposta.
He pretended he didn't know the answer.
Nem mesmo Tom sabia a resposta.
Not even Tom knew the answer.
Victor sabia a resposta, na verdade.
Victor knew the answer, actually.
Eu sabia que você sabia a resposta.
I knew you knew the answer.