NOT BY A LONG CHALK
Meaning of NOT BY A LONG CHALK in English
( BrE ) (also not by a ˈlong shot NAmE , BrE )
not nearly; not at all :
It's not over yet—not by a long chalk.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005