( BrE , informal , disapproving ) to change the rules for sth, or conditions under which it is done, so that the situation becomes more difficult for sb
MOVE, ETC. THE GOALPOSTS
Meaning of MOVE, ETC. THE GOALPOSTS in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005