Starting your own business can be very tough, but you just have to 'grit your teeth' and keep working at it.
Through resourcefulness and 'grit', the pioneers survived the winter.
He shook out his shoes to remove the small rocks and 'grit'.
(..) Her ears are pierced three times and there's glitter nail polish. That looks like town to me. Two of her fingernails are broken off and there's dirt or grit under them. It looks like she's tried to claw her way through something. Ray, get pictures of her teeth. We'll fax 'em for Missing Persons. (..)1991 The Silence of the Lambs