WHAT HAS GOT INTO SB?


Meaning of WHAT HAS GOT INTO SB? in English

( informal ) used to say that sb has suddenly started to behave in a strange or different way :

What's got into Alex? He never used to worry like that.

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