Sentence examples for proved difficult to put from inspiring English sources

Operators of the sites have proved difficult to put behind bars, although legal experts offered mixed views on Mr. Khan's blog.

Dr. Marburger said the treatment the reactor explored, called boron neutron capture therapy, had proved difficult to put into practice, which prompted the Department of Energy to cut financing.

Putting these together has often proved difficult to the point of impossible: witness the UN climate talks.

Neutrality proved difficult to maintain, though.

Alas, it proved difficult to find.

Genocide has proved difficult to prosecute.

The effect proved difficult to measure.

Yet reform proved difficult to implement.

The furlough plan proved difficult to enforce.

The advice proved difficult to follow.

The latter aim proved difficult to enforce.