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English definition of “(as) cool as a cucumber”

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(as) cool as a cucumber

very calm or very calmly, especially when this is surprising: She walked in as cool as a cucumber, as if nothing had happened.
Translations of “(as) cool as a cucumber”
in Chinese (Traditional) (尤指出奇地)鎮靜,冷靜,泰然自若…
in Chinese (Simplified) (尤指出奇地)镇静,冷静,泰然自若…
(Definition of (as) cool as a cucumber from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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