Meaning of A STORM IN A TEACUP in English

A STORM IN A TEACUP

( BrE ) ( NAmE a tempest in a ˈteapot )

a lot of anger or worry about sth that is not important

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