Raise eyebrows.
[Idiom] RAISE EYEBROWS. - Master the Art of Expression: Learn How to Capture Attention with Words
Cause surprise or disapproval.
To "Raise eyebrows" means to cause surprise, shock, or disapproval through one's actions or words. The physical act of raising eyebrows as a response to something unusual or shocking translates here into an expression indicating that something is not entirely normal or acceptable.
Example Sentences
His radical ideas about office management certainly raised eyebrows.
His radical ideas about office management caused surprise and concern among others.
Wearing such a bright, unconventional outfit at the formal gathering raised eyebrows.
Wearing a bright, unconventional outfit at a formal event caused surprise and possibly disapproval.
She really raised eyebrows when she announced she would be leaving her lucrative career to backpack around the world.
She caused surprise when she announced she would leave her high-paying job to travel around the world.