(as) clear as mud

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

mơ hồ như bùn, không rõ ràng chút nào

very difficult to understand; not clear at all

:
His explanation of the new policy was as clear as mud.
Lời giải thích của anh ấy về chính sách mới mơ hồ như bùn.
The instructions for assembling the furniture were as clear as mud, so I had to guess.
Hướng dẫn lắp ráp đồ nội thất mơ hồ như bùn, nên tôi phải đoán.