Don't whisper, let alone speak.
I could not afford to buy a bicycle, much less a car.
She can speak French, and is even better at English.
She speaks French, much more English.
She can speak French, much more English.
He is good at French, much more so at English.
He can't even float let alone swim.
He cannot buy a car, still less a house.
He can't run his own family, let alone a nation!
He cannot afford to buy a car, much less a house.
He is not a teacher, much less a scholar.
He can afford to buy a house, to say nothing of a car.
He values honor above anything else.
He cannot speak English, much less French.
He decided to study harder.
He can't read French, much less write it.
He can speak French, not to mention English.
He has no daily necessities, much less luxuries.
He has no daily necessities, much less luxuries.
I like physics, and I like mathematics even more.