feet on the ground

Alonso described the performance as "definitely a step forward" after the race, but he had also been cautious after qualifying, saying: "We need to keep the feet on the ground, and maybe the track characteristics, it does help the Aston, so we'll need to see in Monaco and Barcelona."

"He has kept his feet on the ground and it is only the start for him."

I don't know, but you have to keep both feet on the ground.

Instead he was home after a doctor's appointment and it was only by chance that he spotted a pair of feet on the ground in his back garden.

And so I try to keep my feet on the ground.