[ no passive ] if sth flashes on you , you suddenly realize it :
[+ that ]
It flashed on me that he was the man I'd seen in the hotel.
[ no passive ] if sth flashes on you , you suddenly realize it :
[+ that ]
It flashed on me that he was the man I'd seen in the hotel.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005