When the ground is wet, it's easy to slip.
Step carefully here. The ground is rough.
Animals can't find food in the frozen ground.'
The ball rolled towards me on the ground.
Ìstaw drew a line on the ground to explain his plan to everyone.
The ground is rough. Be careful or you'll trip.
Be careful! There's a lot of water on the ground. Don't slip!
From the air you can see the grace of the river's form but from the ground it's hidden.
Taking off from the ground is harder than flying off a cliff.