Sentence examples for proves tough from inspiring English sources

But the terrain proves tough.

Too much flour, not enough flour; flax egg proves tough as a binding agent, but bananas are too soft.

Separation anxiety proves tough to manage in "Breaking Upwards," a thoroughly charming romantic comedy that takes a fresh look at a spoiled relationship.

If the American market proves tough to crack, some generic companies are likely to sell their drugs first in Asia, Europe and Latin America, where biotechnology companies generally have fewer patents.

Simmons's strictly chronological narrative proves tough to sustain: the lovingly detailed, three-day spree of drugs, drink, conversation and sex gets repetitive, with even Crow grousing, "Do you people ever sleep?" Simmons, a New York painter and gallery owner, smartly spins this tale as a generous fable of redemption.

Finally, sequencing could ultimately be a bust if it proves tough to find genes linked to disease, or improved cancer diagnoses and hoped-for improvements in manufacturing drugs.

Elsewhere, too, shark protection is proving tough.

However, implementing the change could prove tough.

The case initially proved tough to solve.

Writing proved tough in other ways.

But even those are proving tough sales.