stage whisper
US /ˈsteɪdʒ ˌwɪspər/
UK /ˈsteɪdʒ ˌwɪspər/

1.
sussurro teatrale
a loud whisper intended to be heard by an audience but supposedly not by other characters in a play or by people nearby in real life
:
•
He delivered the secret with a stage whisper, making sure everyone in the room heard it.
Ha rivelato il segreto con un sussurro teatrale, assicurandosi che tutti nella stanza lo sentissero.
•
The actor delivered his aside as a loud stage whisper.
L'attore ha pronunciato il suo a parte come un forte sussurro teatrale.