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
Matti	MAHT-tee	Finnish
Itziar	-	Basque, Spanish
Cristiano	kree-STYAH-no (Italian), kreesh-TYA-noo (Portuguese)	Italian, Portuguese
Sif	SEEF (Norse Mythology)	Norse Mythology, Danish, Icelandic
Curt	KURT	English
Brayden	BRAY-dən	English (Modern)