kamoli

1. (usually after ni or i) let alone; much less; all the more so
   Ne zna ni da čita, a kamoli da piše. — He can't even read, let alone write.
   Nemam para ni za kafu, a kamoli za odmor. — I don't have money even for coffee, let alone a holiday.
   To zna i dete, a kamoli odrastao čovek. — Even a child knows that, let alone an adult.

Usually used as "a kamoli": after a negative clause with "ni" (let alone, much less) or after an affirmative clause with "i" (all the more so).