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Po oznámení zmeny cestujúci hromadne opúšťali vlak.
After the announcement of the change, the passengers left the train en masse.
Obyvatelia hromadne podpísali petíciu za park.
The residents signed a petition for the park en masse.
Návštevníci hromadne zamierili k východu.
The visitors headed for the exit in large numbers.
Študenti hromadne požiadali o predĺženie termínu.
The students collectively asked for an extension of the deadline.
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Hand-reviewed example sentences.
Full attribution on References.