glance around (some thing or place)
To view one's surroundings, often in a fleeting or furtive manner. I glanced around and didn't see anyone, so I stole two cookies from the cookie jar. Let's go sightseeing, huh? I was only able to glance around earlier.
glance around (some place)
to look quickly around some place. He glanced around the room, looking for his favorite cap. Mary glanced around, looking for her friend.