беспрерывн|о - ceaselessly, continuosly, uninterruptedly
without a break разг.
~ лил дождь it rained without stopping
~ый ceaseless, continuous, uninterrupted
Большой русско-английский словарь
БЕСПРЕРЫВНО
нареч. continuously, uninterruptedly, without a break беспрерывно в течение трех дней – for three days on end