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
Colin (1)	KAHL-in (Scottish, Irish, English), KOL-in (English)	Scottish, Irish, English
Koralia	-	Greek, Late Greek
Mahaut	ma-O	French
Weronika	ve-raw-NEE-kah (Polish)	Polish, Sorbian
Branislav	-	Serbian, Slovak, Czech, Slovene, Croatian, Macedonian
HÅKon	HAW-koon	Norwegian