take a stab in the dark

To make a guess or estimate with very little or no assurance as to its accuracy. I had absolutely no idea what the answer was for the last question on the exam, so I just took a stab in the dark and hoped for the best.

Common Names:

Name	Pronounced	Usage
Clarisa	klah-REE-sah	Spanish
Sidney	['sidni]
Erik	E-rik (Swedish, Norwegian, Danish, German), E-reek (Finnish), AY-rik (Dutch), ER-ik (English)	Swedish, Norwegian, Danish, Finnish, Czech, Slovak, Slovene, Croatian, Hungarian, German, Dutch, Eng
Babette	ba-BET	French
Zorion	-	Basque
Aliaksandr	-	Belarusian