little, quick, sneak
a sneak peak at the new cartoon

have, take
get
sneak
Brooke couldn't help but sneak a peek at him.

chance, dare

peek at
Go ahead and take a peek at your presents.

peek behind
a fascinating peek behind the scenes of the Oprah Winfrey Show

peek into
We got a peek into rooms that are normally closed to the public.

peek through
I dared a little peek through a crack in the door.

cautiously
Daniel peeked cautiously over his shoulder.

out
He peeked out from behind the door.

around
I was tempted to peek around the corner.

at
She peeked at the clock to see the time.

into
I wandered around the house, peeking into various rooms.

through
The child peeked through a crack in the door.
The sun was peeking through the clouds.