ice water in one's veins
idiom
US, informal
: the ability to remain very calm and controlled in a situation in which other people would become upset or afraid
I can't believe how calm she was the whole time. She must have ice water in her veins.
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“Ice water in one's veins.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ice%20water%20in%20one%27s%20veins. Accessed 2 Dec. 2024.
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