take a guess

and hazard a guess; make a guess

to guess. Even if you don't know, please take a guess. If you don't know the answer, hazard a guess.

Name	Pronounced	Usage
Kolby	KOL-bee	English (Modern)
Rodolf	RO-dawlf (German)	German (Rare), Dutch (Rare)
Keshaun	-	African American (Modern)
Savio	-	Italian
Albino	-	Italian, Portuguese, Spanish
Billie	['bili]