to prevent sb from doing sth :
I hope I'm not keeping you from your work.
[+ -ing ]
The church bells keep me from sleeping.
to prevent sb from doing sth :
I hope I'm not keeping you from your work.
[+ -ing ]
The church bells keep me from sleeping.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005