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luck

In a sentence
Ich šťastie malo korene v ich priemysle.
Their happiness was rooted in their industry.
Tom nemôže uveriť, aké má šťastie.
Tom can't believe his luck.
Moje šťastie záleží od teba.
My happiness depends on you.
Moje šťastie záleží od vás.
My happiness depends on you.
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.