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wolf

In a sentence
Tom je vlk v ovčom rúchu.
Tom is a wolf in sheep's clothing.
Je to vlk.
It's a wolf.
Som vlk.
I'm a wolf.
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.