1to make (a liquid) muddy, cloudy, or turbid — to cause a liquid to become less clear.
雨で川の水が濁してしまった。
The river water became cloudy because of the rain.
工場の排水が原因で湖が濁ったと報告されている。
It was reported that the lake became turbid due to factory effluent.
2to make something ambiguous; to evade or be noncommittal — to cloud the issue or avoid giving a direct answer.
質問に対して彼は言葉を濁してはっきり答えようとしなかった。
He dodged the question and refused to answer clearly.
本当の理由を濁さずに説明してください。
Please explain the real reason without being evasive.
政治家が問題を濁す場面をよく目にする。
You often see politicians trying to cloud issues.