"They really kept us on our heels all night," Smith said.

Even if you don't come up with those plays, they're still going to keep the defense back on their heels.

"When they're on the ice they keep the opponents on their heels as well."

He was broken five times in the match as Agassi kept him on his heels at the baseline.

At all events it was possible to keep on their heels.

Minnesota had no such answers, and yet this was a close game throughout because the team absolutely kept the Thunder on its heels.

He managed somehow to avoid being hit, but Drizzt pressed the attack, kept him on his heels.

She had kept him on his heels both times he had been with her in the last two weeks.

B: Slowly lower to a sitting position, keeping weight on your heels and allowing yourself to lean forward slightly.

Those ploys kept the San Francisco defense on its heels.