短语词组短语as cool as a cucumber 极为冷静的;非常冷静;异常冷静;镇定自若be cool as a cucumber 冷静;就是当一个人碰到困难和麻烦时很冷C cool as a cucumber 噤若寒蝉cool -as-a-cucumber 镇定自如 返回 cool as a cucumber