She took a quick peep at him and saw that he was smiling.

She took a quick peep and was disappointed to see that his eyes were closed once more.

Before he took off, he couldn't resist another quick peep under the wagon.

I only meant to take a quick peep inside.

Apparently not; she took a quick peep at his face which showed it to be unconcerned.

A quick peep at Silas showed that he scowled as if displeased about something.

Take a quick peep in if y'u want to.

Suppose she just lifted the coffin lid, had a quick peep in at her beloved.

There was a chair against one wall, and before she sat down in it she took a quick peep at her patient.

At the same moment Mary took a quick peep between her lashes.