a fool's errand

an attempt to do something that has no chance of success Billions of dollars have been spent on long-range weather forecasting, but it's a fool's errand.

Common Names:

Name	Pronounced	Usage
Aava	-	Finnish
Edith	['i:diθ]
Ronnie	RAH-nee	English
Nik	-	English, Greek, Slovene
Marcellin	-	French
Marin	['mærin]