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sudden

In a sentence
Náhla zmena počasia nás prekvapila.
The sudden change in weather surprised us.
Náhly dážď nás prekvapil bez dáždnika.
A sudden rain surprised us without an umbrella.
Po náhlom ochorení zostala doma týždeň.
After a sudden illness she stayed home for a week.
Náhly dážď prerušil piknik v parku.
A sudden rain interrupted the picnic in the park.
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Hand-reviewed example sentences.
Full attribution on References.