cloud the issue/picture etc
From Longman Dictionary of Contemporary Englishcloud the issue/picture etccloud the issue/picture etcCLEAR/EASY TO UNDERSTANDto make a subject or problem more difficult to understand or deal with, especially by introducing unnecessary ideas Uninformed judgments only cloud the issue. → cloudExamples from the Corpuscloud the issue/picture etc• These comments should not be allowed to cloud the picture too much.