His unpremeditated remark during the client meeting caused some awkward silence around the table.

他在客戶會議中一時衝動說出的話，讓整桌陷入尷尬的沉默。

The manager apologized for her unpremeditated reaction to the customer's angry email.

經理為自己對那封客戶抱怨信一時衝動的反應道歉。

Our unpremeditated stop in Kyoto turned out to be the highlight of the business trip.

我們臨時起意在京都停留，結果成了這趟出差最精彩的部分。