to mention sth that sb has said or done that you think is wrong :
I knew he would pick me up on that slip sooner or later.
to mention sth that sb has said or done that you think is wrong :
I knew he would pick me up on that slip sooner or later.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005