sem saber o que dizer

not knowing what to say

→ sem
phrase Rare #37,067
not knowing what to say Used when someone is unsure how to respond, often because they are surprised, embarrassed, or speechless.
PO: Fiquei sem saber o que dizer quando ouvi a notícia.
EN: I was at a loss for words when I heard the news.

Sem saber o que dizer, ela apenas sorriu.

Not knowing what to say, she simply smiled.

Eu estava sem saber o que dizer a seguir.

I was at a loss for what to say next.

Sem saber o que dizer, ela permaneceu em silêncio.

Not knowing what to say, she remained silent.

Tom estava sem saber o que dizer a seguir.

Tom was at a loss for what to say next.

Deixaram eles sem saber o que dizer.

They left them speechless.