Learn useful ways to say "room is soundproof" in English with drama examples and natural alternatives.

This is a threatening line that means the speaker is warning someone they can scream but no one will hear them.
From Runaway Bride, Episode 43
Someone threatens another person while emphasizing that no one can hear what happens in the room.
Use this only for fiction, crime scenes, or dark threats in dramas. It is extremely threatening and never appropriate in normal conversation.
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