Still, it proved too hard to keep their children with them.

But then, everything was proving harder than he had thought.

The area just south of Baghdad has proven particularly hard to control.

Its leadership has proved too hard to touch, to control, and it is close to my base.

Reconciliation, it seems, may prove harder to win than a return to peace itself.

The aircraft also proved difficult to fly and extremely hard to control on the ground.

The idea has proven popular with parents and hard to oppose politically.

This is the primary reason why it has proved so hard to achieve structural change in many areas.

But I didn't want to feel sympathy for her, either, and that was proving harder to avoid.

It was a very unpopular levy as gold proved so hard to get.

But now it proved hard in the dark.

True, those many witnesses were proving hard as hell to track down.

It may prove too hard, something for a future generation'.

This proved hard, as they chose to be cruel in the following days.

But now he had to stand and make his way from there, and that proved hard.

However, their ability to alter their appearance means they are proving hard for me to track down.

That proved hard for him to do, in part because of the complexity of the tests.

However, he proves hard for the group to defeat.

Agricultural changes proved hard for small farmers, who sold their farms and moved to the cities.

If only he could sleep it off, but that was proving hard.