stumbling block

Von Horn was really the only stumbling block in Bududreen's path.

Many of them used their liberty in their northern home as a stumbling block.

That speech has been the stumbling block of most actors we have seen.

The 10d has already proved a stumbling block, for it was not perforated at all!

To Kat, he was nothing, unless it was a stumbling block in the way of her happiness.

You do not wish to be a stumbling block, do you, Monsieur le Cur?

Still there was a stumbling block in the way of arresting Small.

Do not be cast down; all will go well if the stumbling block be removed.

There was one person who had always been an eyesore to him, and a stumbling block in his way.

There would have been one stumbling block away; one lion out of my path.