THROW A MONKEY WRENCH IN / INTO STH


Meaning of THROW A MONKEY WRENCH IN / INTO STH in English

(also throw a ˈwrench in / into sth )

( NAmE , informal ) to do sth to spoil sb's plans

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.