cool as a cucumber ＝ 冷靜、鎮定的意思例句：Despite the mishap Margaret was... idiom may be based on the fact that in hot weather the inside of cucumbers remains cooler than the air.
傳說在暖和的天裡小黃瓜裡面的種子比是外面的空氣大約冷20度, 這個成語因此被來用形容很 冷靜, 很酷
這是一句英文的俚語 (as) cool as a cucumber 泰然自若；(遇到麻煩或困難) 極為冷靜。 He is always as cool as...火警響了, 但我們還是從容不迫的走出大樓. She was cool as a cucumber even right after she was fired. 就算是被炒魷魚了, 她還是泰然自若...