english
1
general::
Phrase(s): peek in(to something) to steal a quick glimpse into something. • Sam peeked into the oven to see what was cooking. • Laura opened the oven door and peeked in.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Phrase(s): peek in (on someone or something) to glance quickly into a place to see someone or something. • Would you please peek in on the baby?
McGrawhill's American Idioms And Phrasal Verbs