1.
not moving or working at exactly the same time and speed as sb/sth else
2.
not in agreement with sb/sth; not working well with sb/sth
1.
not moving or working at exactly the same time and speed as sb/sth else
2.
not in agreement with sb/sth; not working well with sb/sth
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005