But with the microbreweries nipping at their heels, they are certainly trying.

Once inside the house, they hastened upstairs as if a fire nipped at their heels.

The black dog, as Churchill called his depression, doesn't nip at this president's heels.

They fairly marched out of the room with Hank nipping at their heels.

And today, much more than a year ago, there are competitors nipping at Amazon's heels.

But this time, other groups are nipping at his heels.

And of course you may have competitors nipping at your heels.

What brought on this feeling that a great darkness was nipping at her heels?

Trickster nipped at his heels and all the children laughed.

Now she had nothing, except the trust he asked her to have; and terror was nipping at its heels.