Examples of using "Figuriamoci" in a sentence and their english translations:
Don't whisper, let alone speak.
let alone at a shitty bar.
He can't even float let alone swim.
let alone a 22-million-dollar yacht.
Opera! He cannot even sing children's songs!
He does not know English, not to mention German or French.
He knows no English, not to mention German.
No one knew if a moon landing was even possible, let alone in just nine years.