муж. говорить без умолку – to talk without a stop, to talk without pause
to talk blue streak без умолку – incessantly, unceasingly, nonstop
м. : без ~у incessantly, uncreasingly
УМОЛК
Русско-английский перевод УМОЛК
Большой Русско-Английский словарь. New big Russian-English dictionary. 2012