[ often passive ] to show that you disapprove of or are surprised by sth :
Eyebrows were raised when he arrived without his wife.
[ often passive ] to show that you disapprove of or are surprised by sth :
Eyebrows were raised when he arrived without his wife.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005