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; to stop annoying sb or trying to get their attention
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
There isn't enough room for us, let alone any guests.
leave / let sb alone
to stop annoying sb or trying to get their attention
She's asked to be left alone but the press photographers follow her everywhere.
leave / let sth alone
to stop touching, changing, or moving sth
I've told you before — leave my things alone!
Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición