not turn a hair
idiom
informal
: to remain calm even though something frightening or shocking has happened
Most people would have been very nervous in that situation, but she never turned a hair.
Dictionary Entries Near not turn a hair
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“Not turn a hair.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/not%20turn%20a%20hair. Accessed 28 Apr. 2024.
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