Sentence examples for proved difficult to from inspiring English sources

Neutrality proved difficult to maintain, though.

Alas, it proved difficult to find.

Genocide has proved difficult to prosecute.

The effect proved difficult to measure.

Spectacular early results proved difficult to sustain.

The latter aim proved difficult to enforce.

Yet reform proved difficult to implement.

The furlough plan proved difficult to enforce.

The advice proved difficult to follow.

Insulin, however, proved difficult to isolate.

Lying worked, but proved difficult to undo.