knit your brow(s)
idiomPart ofknit
knit your brow(s) — idiom
1. To bring your eyebrows together to show you are thinking deeply or feeling annoy
1.idiom
Definition
To bring your eyebrows together to show you are thinking deeply or feeling annoyed.
Example
Mia knitted her brows when she saw the confusing math problem.
Did you see Dad knit his brows during the meeting?