The customer service manager showed real sangfroid when an angry client began shouting at the desk.

一位憤怒的客戶在櫃台大吼時，客服經理展現出真正的沉著冷靜。

Our CFO explained the quarterly losses to investors with impressive sangfroid and a clear recovery plan.

我們的財務長以令人佩服的沉著向投資人說明季度虧損，並提出明確的復甦計畫。

When the flight was canceled, the tour leader rebooked everyone with calm sangfroid and no complaints.

班機取消時，領隊沉著冷靜地幫大家改訂機位，毫無怨言。