Sentence examples for has proved very hard to from inspiring English sources

It has proved very hard to find drugs to treat viral diseases from animals, from influenza to HIV.

Yet companies have to deal with the real world and, despite the best efforts of recorded-music companies, luxury-goods firms and software-industry associations, piracy has proved very hard to stop.

He would like to concentrate his citizens, boosting the population density in areas that are still economically viable, while encouraging people to move out of districts that are not.Politically, though, that has proved very hard to do.

It was spun out of MIT from an advanced variety of resonant inductive coupling, with a range of up to 8 feet, though this distance has proven very hard to commercialize.

We describe linker-based formulations for a wide range of oils, including highly hydrophobic oils (e.g. hexadecane) that have proven very hard to clean.

Governments are traditionally supposed to step in to fix the problem, but this has proven very hard for them to do.

There had been hopes that foreign help would fill the gap, of course; but that is proving very hard to find.

And that's proving very hard to do with vaccines that primarily elicit antibodies.

Then they'll say something like, "Over the past three or four years, during this time of real turbulence, the greatest works of art have proved very resilient" and it just sounds so comically hard-arsed, like someone trying to flog a baby.

In the run-up to the local elections, the press have been keen to dig up some dirt on candidates – and it hasn't proved very hard.

Integrated analysis of the resulting omic data sets has proved to be hard to achieve.