a fundo

thoroughly

→ a
phrase Rare #42,312
thoroughly Also means "in depth" or "deeply" when talking about knowing or studying something well.
PO: Ela estudou o tema a fundo.
EN: She studied the topic thoroughly.

De qualquer forma, é melhor voltar para examiná-la a fundo.

In any case, it's best to go back and examine it thoroughly.

— Ghost in the Shell: O Fantasma do Futuro (1995)

Quero ir um pouco mais a fundo.

I want to delve a little deeper.

Eu te conheço a fundo.

I know you inside and out.

Ela havia estudado o assunto a fundo antes da apresentação.

She had studied the subject thoroughly before the presentation.