0 something that happened only once or for a short time and was not repeated:
1 something that is interesting for only a short time:
Clarity about the forces giving rise to it helps us assess whether this movement is a flash in the pan or an historical force to be reckoned with.
Most of the proposals need not be discussed at all, so it is nothing more than a flash in the pan.
It was not a flash in the pan.
I confirm that her results were not a flash in the pan.
Unfortunately, that prosperity was only a flash in the pan.
This impressive record is not a flash in the pan.
When growth did begin they said that it was a flash in the pan and would soon peter out.
Fourthly, our spending decisions must be sustainable; they must not be a flash in the pan.
