Breakdown of Кто-то смотрит на нас через щель в двери!
дверь
door
в
in / to (direction)
на
on, at / by (transport) / to (a place) / to (in answer to)
смотреть
to watch / to look at / make sure (in a warning)
нас
us
кто-то
someone
через
through
щель
the crack
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