(as) cool as a cucumber
01
untroubled by hot temperature or physically difficult actions
例子
He leaps up the six flights of stairs and arrives at the top as cool as a cucumber.
02
镇定自若, 一点不慌
used to describe someone who is not worried at all in challenging or stressful situations
approving
idiom
informal
例子
He was cool as a cucumber before the final exam.
期末考试前,他一点都不慌。



























