◆to keep your cool<非正式>保持镇定；保持冷静
She kept her cool and managed to get herself out of the ordeal.她保持镇定, 克服了严峻的考验。
I was proud of my players for keeping their cool.我为球员们的镇定沉着感到骄傲。
Fiorina seemed irritated by Hewlett's lawyer but in the main kept her cool.菲奥里纳似乎被休利特的律师惹恼了, 但大体上还保持着冷静。