The manager apologized for an infelicitous remark she made during the quarterly sales meeting.

經理為她在季度業務會議上一句不得體的發言道歉。

Please review the email draft carefully, since one infelicitous phrase could offend our longtime client.

請仔細檢查這封電子郵件草稿，因為一個不恰當的措辭就可能冒犯我們的長期客戶。

The hotel replaced the infelicitous wording on its welcome sign after several guests complained.

在幾位房客抱怨後，飯店更換了歡迎標示上不恰當的用語。