(as) clear as mud

US /əz klɪr əz mʌd/
UK /əz klɪr əz mʌd/
"(as) clear as mud" picture
1.

so klar wie Kloßbrühe, völlig unverständlich

very difficult to understand; not clear at all

:
His explanation of the new policy was as clear as mud.
Seine Erklärung der neuen Politik war so klar wie Kloßbrühe.
The instructions for assembling the furniture were as clear as mud, so I had to guess.
Die Anweisungen zum Zusammenbau der Möbel waren so klar wie Kloßbrühe, also musste ich raten.