(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.

• someone can't hold a candle to someone else
• someone can't hold a candle to something else
• someone could do something with eyes closed
• someone could do something with eyes shut
• someone could do something with their eyes closed
• someone could do something with their eyes shut
• someone couldn't care less
• someone could with eyes closed
• someone could with eyes shut
• someone could with their eyes closed
• someone could with their eyes shut
• someone, eat your heart out!
• someone from hell
• someone gets religion
• someone has got game
• someone has more bark than bite
• someone is at disposal
• someone is at your disposal
• someone is in business
• someone of a certain age
• someone par excellence
• someone's answer
• someone's answer someone
• someone's answer something
• someone's ass is on the line