cool as cucumber
非常冷靜
口語·形容非常冷靜沉著
英文釋義
to remain calm and composed, especially in difficult situations
例句
He walked into the exam room cool as cucumber, ready for anything.
典故來源
源自18世紀英國,黃瓜內部溫度比環境低,比喻人在壓力下保持冷靜。