used to describe sb/sth that is difficult to deal with or understand :
She's a bit heavy going.
I found the course rather heavy going.
used to describe sb/sth that is difficult to deal with or understand :
She's a bit heavy going.
I found the course rather heavy going.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005