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
Machalat	-	Biblical Hebrew
Keren-Happuch	KER-ən HAP-ook (English)	Biblical
Safira	sah-FEE-rah	Esperanto
Yesenia	-	Spanish (Latin American)
Jeltsje	-	Frisian, Dutch
Ljudmil	-	Macedonian