n. 冷静, 泰然, 沉着
1、He played the game with perfect sangfroid.
他用完美的冷静通过了这个游戏。
2、The designers exhibit a surprising sangfroid about their work.
设计者对他们得工作展示了让人吃惊得冷静。
3、The commander showed great sangfroid and acted without ever losing his composure.
船长表现得尤其从容镇定，行动中丝毫没有失去冷静。