Calling the client by the wrong name during the meeting was an embarrassing gaffe.

會議中叫錯客戶的名字，真是令人尷尬的失禮。

The CEO apologized publicly after his gaffe about layoffs appeared in the financial press.

執行長談論裁員的失言登上財經媒體後，他公開道歉。

Replying to all with a joke about the manager was a serious email gaffe.

按下全部回覆並寄出取笑經理的玩笑，是一次嚴重的電郵失誤。