cu·cum·ber
noun/ˈkjuːkʌmbə(r)/
/ˈkjuːkʌmbər/
[countable, uncountable]Idioms - a long vegetable with dark green skin that is light green inside, usually eaten raw

enlarge image see also sea cucumberTopics Foodb2黄瓜 Word Originlate Middle English: from Old French cocombre, coucombre, from Latin cucumis, cucumer-.
Idioms
(as) cool as a cucumber
- very calm and showing control, especially in a difficult situation
(尤指在困难情况下)非常冷静,泰然自若 - George is cool as a cucumber and this should be just another operation for him.
乔治很酷,这对他来说应该只是另一次手术。
- George is cool as a cucumber and this should be just another operation for him.