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In a sentence
to wonder
Môžem sa len čudovať, či je to rovnaké pre všetkých ostatných.
I can only wonder if this is the same for everyone else.
to be surprised
Čudovala sa jeho tichému správaniu.
She was surprised by his quiet behavior.
Other
Čudujem sa, že ešte nespí.
I wonder that he still isn't asleep.
Všetci sa čudovali jeho náhlej zmene.
Everyone was surprised by his sudden change.
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.