Look up this word
bad luck

In a sentence
Niektorí ľudia veria, že číslo trinásť prináša smolu.
Some people believe that the number 13 brings bad luck.
Toto je smola.
This is a bad luck.
Practice frame
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Includes Tatoeba example sentences when present.
Full attribution on References.