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surprise

In a sentence
Na moje prekvapenie mal nádherný hlas.
To my surprise, he had a beautiful voice.
Nie je to žiadne prekvapenie, však?
It's not much of a surprise, is it?
Je to prekvapenie.
It's a surprise.
Aké prekvapenie!
What a surprise!
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.