It would take an army to fight its way across the city.
It would take a small army to get in there.
"It will take a small army, to find those two on Earth now."
It would take an army, and I haven't got one.
It would take an army in patient search to find us there.
"He took his army across the sea and all the way to the heart of the empire."
"It's going to take an army to put this place to rights."
Better yet, I hope they just take their army and turn around.
It would take an army of us to search this land!
It would take his army almost ten days and nights to make the crossing.