Even after years of working with underprivileged women, Jack couldn't understand how she was managing to make this look easy.

Jack understood the phenomenon, but felt that it made little sense.

Jack understood people a little better than I did.

Jack understood that there were several reasons for having Tom do this.

Jack was understanding, even though he feared every day that she would never love him back.

Jack generally understood about one word in three of the current argot.

Jack understands everything he says, however, but always answers him in English.

The words were spoken in English and so, for a moment, Jack didn't understand them.

Jack did not understand, but Karen realized the answer.

And Jack suddenly understood why this man had looked familiar before.