Examples of stumbling block

• With the retreat of religious controversy from the public sphere, the crucial stumbling block for national\state-wide educational provision was removed.

• The stumbling block for many of our commentators was the lack of a "mechanism" in our theory.

• Their stumbling block, however, was the lack of a well-thought-out ideal of completeness in their contemporary theory of science.

• The absence of age determinations does however form a stumbling block for further speculation on this point.

• This conclusion has proved a stumbling block for some readers, leading them to dismiss the whole article as interesting but speculative and now thoroughly dated.

• One potential stumbling block could be the difficulty of accessing the data.

• Another stumbling block is the treatment of partial functions, which remains a delicate issue in type theory.

• A great stumbling block to the alliance was that the pragmatists believed in the continuity between facts and values, science and ethics.