Translation of "Unanswered" in Portuguese

So they went unanswered.

por isso, ficaram sem resposta.

Here's the sneakiness of unanswered questions started here

Aqui está a sorrateira de perguntas sem resposta iniciadas aqui

Fadil sent Layla letters but they were unanswered.

Fadil enviou cartas a Layla, mas elas ficaram sem resposta.