throw somebody a look
throw somebody a glance

She reached the top and threw a glance behind her.

The boy threw a glance at me without turning his head.

His face was serious as he threw a sharp glance toward the door.

The editor threw a quick glance up and back to the work he was doing.

She threw a quick glance at me over her shoulder, started to turn.

Still, he threw a black glance in the dog's direction.

He threw a glance toward a certain corner where steps led to the town hall above.

On stepping into the box the man threw a glance at me, then looked away.

Several people in the restaurant threw curious glances at him.

By the time I did throw a quick glance over my shoulder, he was out of sight.