Look up this word
mirror

In a sentence
Nerozbi zrkadlo.
Don't break a mirror.
Druhé zrkadlo visí vedľa dverí.
A second mirror is hanging next to the door.
Rozbilo sa mi zrkadlo.
My mirror broke.
Zrkadlo odráža svetlo.
A mirror reflects light.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Example sentences from Tatoeba (CC BY 2.0 FR).
Full attribution on References.