sem saber o que dizer

not knowing what to say

→ sem
phrase Rare #38,015
not knowing what to say Can describe being unsure or speechless in a situation.
PO: Fiquei sem saber o que dizer quando ela me contou a notícia.
EN: I didn't know what to say when she told me the news.

Tom estava sem saber o que dizer a seguir.

Tom was at a loss for what to say next.

Eu estava sem saber o que dizer a seguir.

I was at a loss for what to say next.

Deixaram eles sem saber o que dizer.

They left them speechless.

Sem saber o que dizer, ela permaneceu em silêncio.

Not knowing what to say, she remained silent.

Sem saber o que dizer, ela apenas sorriu.

Not knowing what to say, she simply smiled.