Definition: only a short time before something happens Level: C1
我不得不在短时间内准备一个演示。
I had to prepare a presentation ___on ___short ___notice.
由于意外事件，我可能需要在短时间内取消预约。
Due to unexpected events, I might need to cancel the appointment ___on ___short ___notice.
航班在短时间内被更改，造成了一些不便。
The flight was changed ___on ___short ___notice, causing some inconvenience.
