Instead of repeatedly pressing ↓, you can tell NVDA to start reading with NVDA + ↓ until you tell it to stop again with CTRL or any other command.
By default the NVDA key is Insert, but this can be changed to Caps Lock in the settings, which can be useful for reduced keyboard layouts like in some laptops.
Finally, if you need to review what was said, NVDA + ↑ will read the current line again.
Try it out below
Excerpt from: Brave New World
Just to give you a general idea,’ he would explain to them. For of course some sort of general idea they must have, if they were to do their work intelligently — though as little of one, if they were to be good and happy members of society, as possible. For particulars, as everyone knows, make for virtue and happiness; generalities are intellectually necessary evils. Not philosophers, but fret-sawyers and stamp collectors compose the backbone of society.
‘Tomorrow,’ he would add, smiling at them with a slightly menacing geniality, ‘you’ll be settling down to serious work. You won’t have time for generalities. Meanwhile…’
Meanwhile, it was a privilege. Straight from the horse’s mouth into the note-book. The boys scribbled like mad.