A flash mob is a group of people who come together suddenly in a public place, do something unusual for a short period of time, and then quickly break up.

快闪族，是指一群人突然在公共场所聚集，在短时间内做一些不寻常的事情，然后迅速散开。

youdao

Even for a short period of time.

即使是很短的时间内。

youdao

They generally didn't work at all or only worked for a short period of time.

它们根本无法工作，或者只工作了一个小段时间。

youdao

The results suggested that people do act differently if they think they are working with a group for a short period of time instead of a long period.

VOA: special.2009.03.03

The term is on the board and it's a good example of syncopation sort of jumping in ahead of time cutting off the beat, getting in there ahead of time and throwing off the metrical balance for a very short period of time.

这个词已经写在白板上,这是个非常典型的切分音的例子,它提前跳入,切分节奏,提前介入,并在非常短的时间里,打破拍子的平衡

耶鲁公开课 - 聆听音乐课程节选

His research shows that those taking the medications for more than four years have a higher risk of a fracture than people taking the drugs for a short period of time.

VOA: standard.2010.03.14

For improving fitness levels, it may be better to exercise harder for a short period of time.

CNN: Is a shorter but harder workout better?

You might have to ditch the techno-gadgets for a short period of time.

FORBES: Distracted, Exhausted By Weinergate, DSK And Arnold?

Jones asked Judge Kenneth Karas that she not be separated from her two young boys even for a short period of time.

NPR: Disgraced Marion Jones Sentenced to Six Months