But sometimes, they say, a running back needs to just lower his head and go down after a hit.

He had to lower his head to get through the classroom door.

He lowered his head, lost in thought, for about three minutes.

He lowered his head in thought for a moment, then looked up again.

Then, understanding how things were, he lowered his head again.

He lowered his head for a moment, then looked up to try again.

Paul lowered his head and did not look at her.

He lowered his head again, as if meeting their eyes was too much for him.

He lowered his head, opened the door, and went without another word.

Michael thought for a moment and then lowered his head.