How to use "sharply" in a sentence

The walls there are very narrow and the trail goes up and down, sharply

'Come back,' Maxim said sharply, 'we don't want to go that way.'

The new track ran a hundred yards before rising and turning sharply to the right, around the blunt face of a ridge

"I'm the one who has the gun," Elliot said sharply

A very foolish idea, as he said sharply to her the first time she mentioned it