quite a little
quite a bit
not a little
Rather a large amount; rather much; more than a little.
We are not finished; quite a little is left to do.
Cleaning the backyard needed quite a little work.
The phrase quite a bit is used like an adjective only before less, more.
Six inches of snow fell today, and quite a bit more is coming tonight.
Sometimes used like an adverb.
Harry was sick quite a little last winter.