turn a hair

not turn a hair

to not show any emotion when you are told something bad or when something bad happens I was expecting her to be furious but she didn't turn a hair.

Name	Pronounced	Usage
Aoi	ah-o-ee	Japanese
Joshua	['dʒɔʃwə]
Merrilyn	-	English (Rare)
Adrienn	AWD-ree-en	Hungarian
Adil	-	Arabic
Heraclius	-	Ancient Greek (Latinized)