as clear as mud

(as) clear as mud

mod. not understandable at all. All of this is clear as mud to me.

Name	Pronounced	Usage
Brenden	BREN-dən	English
Valary	VAL-ə-ree	English (Rare)
Pericles	PER-i-kleez (English)	Ancient Greek (Latinized)
Marni	-	English
KreŠImir	-	Croatian
Ognian	-	Bulgarian