Question

let alone There isn't enough room for us, let alone any guests.

Accepted Answer

2 used after a statement to emphasize that because the first thing is not true or possible, the next thing cannot be true or possible either

word	let alone
part_of_speech	2
e.g.	There isn't enough room for us, let alone any guests.
explanation	used after a statement to emphasize that because the first thing is not true or possible, the next thing cannot be true or possible either

Thing True Room Guests Statement Emphasize