The robot hesitated for a long moment, assessing its options.

The robot hesitated, his low voice dragging even more slowly.

Again the robot hesitated, its program not quite covering this, and again she got through.

The robot hesitated, again looking back and forth between them as if in puzzlement.

The three robots hesitated long enough to reveal that this argument had carried some weight.

The robot hesitated and then said, "I hope to be a freelance writer someday."

The robot hesitates because the order may cause harm to the heroine.

The strange robot hesitated for a moment, and made an oddly tentative gesture with one hand.

The robot hesitated, now at least able to make some interpretations of his own.

The robot hesitated, then answered, "I don't think they trust you out alone.