" Some one with both feet on the ground is a person with a good understanding of reality.

VOA: special.2009.03.08

Someone with both feet on the ground may not be as open and easy to deal with as someone who is down to earth.

VOA: special.2009.03.08

The person who is down to earth usually has both feet on the ground.

VOA: special.2009.03.08

The expression is "both feet on the ground.

VOA: special.2009.03.08

When we have both our feet firmly on the ground, and when we are down to earth we do not have our noses in the air.

VOA: special.2009.03.08