When the projector failed, our manager had to improvise the rest of the presentation.

投影機故障時，我們經理只好即興完成剩下的簡報。

The hotel staff improvised a quiet meeting room for the guest's urgent conference call.

飯店員工臨時為房客的緊急電話會議張羅出一間安靜的會議室。

Our sales rep improvised answers when the client asked about pricing we hadn't discussed.

客戶問到我們沒討論過的價格時，我們的業務代表只能即興回答。