I find it difficult to draw a line".
But it is not difficult to draw a line from Camp Delta to Abu Ghraib.
But it's often difficult to draw a line between poverty and neglect.
It is difficult to draw a line between student issues and wider political campaigns.
Yet it's difficult to draw a line where we stop "improving" our species.
It was difficult to draw a line between corporal punishment and abuse, and judges drew that line in different places.
"It's difficult to draw a direct relationship between our findings and the current discussion on the climate," Mr. Wagner said.
My pay has risen with inflation, but it's difficult to draw a direct comparison with the private sector.
It is frustratingly difficult to draw a line between empathy-focussed police training, on the one hand, and concrete outcomes such as use of force, on the other.
Redistricting offers Republicans a chance to institutionalize their November victories, but it will be difficult to draw a safe seat for each of the 101.
As digital imaging techniques continue to improve in quality and affordability, it becomes increasingly difficult to draw a clear line between live action and animation.
