Sentence examples similar to difficult to pin on from inspiring English sources

As for issues, the differences between Obama and Clinton on Iraq are difficult to pin down.

Meanwhile, just what Rose contributes on the court is difficult to pin down.

Even his positions on economic policy can be difficult to pin down.

Murdoch's assertion that time spent on Facebook is falling is difficult to pin down.

The senator is one of a handful of Democrats whose thoughts on key components of reform have been difficult to pin down.

The appropriate policy response depends on the true motivation for lobbying, which is extremely difficult to pin down.

Argerich is notoriously difficult to pin down.

It was vague, difficult to pin down.

Alchemy is intriguing because it's difficult to pin down.

The history of the crayon is difficult to pin down.

But the president remains difficult to pin down.