Ythrians always had trouble grasping the idea of government secrets.

The flood was so abnormal that the country seemed to have trouble grasping what had happened.

His mind spun, and he had trouble grasping a single thought.

Because I've had trouble grasping the idea that people are capable of doing something like that.

Their memories are often unreliable and they have trouble grasping abstract concepts.

The concept of human error is something a Bolo has been told about, but he'll still have trouble grasping it on a practical level.

This is another truth some of my comrades have trouble grasping.

The protest was never really about deafness - a fact that the news media had trouble grasping.

This was on a scale he had trouble grasping, involving forces he couldn't even imagine.

Kristin blinked at him, and seemed to have trouble grasping the idea.