The boy was trying to understand the truth of what the old man had said.

Now you must understand the truth of what having that power means.

The woman could not begin to understand the truth of what she'd just said.

But if they couldn't be made to understand the truth, their own fear would doom them.

And she couldn't be the only person who understood the truth by instinct.

They will understand the full truth now that I have given you a fresh start.

Make sure they understand the truth about the Bush record on the economy.

By now, though, we'd been through enough for him to understand the truth about me.

Or worse yet, trying to make Logan understand the truth.

Even so, he quickly understood the truth in its warnings.