Until we see a little more, I don't want to say there's concerns or a stumbling block.

Arrogance is blind to the stumbling block.

A stepping-stone can be a stumbling block if we can't see it until after we have tripped over it.

We're still as confident, as optimistic as we ever were. You know we hit a little stumbling block here, but I think it's going to be good for us because we can learn from it.

We tried to make this fight many years ago but the stumbling block was always what Roy wanted to be paid.

Historically, the biggest stumbling block has been the different philosophies on how to run series.