The next, and perhaps more difficult, stage is to recognize that marks of a particular kind form a pattern over a larger region.

Still, the tortoise, even in this difficult early stage, has already moved out front.

And then he would be ready for the more difficult next stage.

In the 1950s, the factory is given to the two children of the couple and begins a difficult stage.

Meantime, if he gets into one of his difficult stages, stay at the sanctuary.

She is going through the most difficult stage of her life - puberty.

He's at a very difficult stage of his career.

But to answer your question: The war is in a very difficult stage right now.

However, it cannot face the fury of the market alone at this difficult stage.

"This has been a very difficult stage in terms of putting it back together."