Such confidence is not a short duration of time to develop.

这样的自信不是一朝一夕所能养成的。

youdao

Temporary - Code written with a plan to throw away in a short duration of time.

临时的——开发的代码打算在短时间内抛弃掉。

youdao

Our ambition is vision, but the realization of vision, is not a short duration of time.

愿景是我们的志向，但实现愿景，绝不是一朝一夕的事。

youdao

Their killing and the exchange of gunfire that led to the shooter's death occurred in "a relatively short duration of time, " added Petucci, and physically all within a 1.5-mile radius.

CNN: 4 dead, including shooter, in central Pennsylvania