1. peep
I saw her peeping through the curtains/into the room
The door was ajared and Helen peeped in.
. Don't peep! Keep your eyes closed or it'll ruin the surprise.
I thought I heard a peep.
One more peep and I'm gonna paste you right in the face!
She would have liked to peep in, but could not do such a thing.
If I hear one more peep out of you I'm sending you to your room without supper.
2. glimpse
I caught a glimpse of him.
I can't quite explain it, but I believe I've caught a glimpse of the differences between Japanese and American cultures and lifestyles.
It's still impossible with the naked eye. With binoculars you might be able to glimpse it....
As he walked along the landing, he glimpsed himself in the mirror at the top of the stairs.
She looked a lot better than when I had glimpsed her last.
For an instant, I almost caught a glimpse of her. One glimpse can last you a lifetime.
The definition of a glimpse is a fast, quick look. An example of glimpse is when you catch a quick look at the sunset just before the sun disappears from the sky.
I felt in love in her in one glimpse.
Then, at last, a peace agreement was reached which gave us a realistic glimpse of hope.
Next morning he would leave at the first glimpse of light.
She unexpectedly glimpsed somebody interesting while she was driving a car.
If you're lucky you might catch a glimpse of some dolphins in the bay
This biography offers a few glimpses of his life before he became famous.
You three were given a glimpse of your future to learn a valuable lesson.
Before there was a glimpse of a breakthrough, President Mubarak stood for reconciliation.