Our imperturbable receptionist handled the angry customer's complaints without raising her voice once.

我們那位沉著的櫃台人員處理憤怒顧客的抱怨時，一次都沒有提高音量。

Even when the shipment was delayed twice, the logistics manager remained imperturbable.

即使貨物兩度延誤，物流經理依然泰然自若。

The CFO stayed imperturbable as investors questioned the disappointing quarterly results during the meeting.

會議中投資人質疑令人失望的季度業績時，財務長始終保持沉著。