keep one's mouth shut
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Related to keep one's mouth shut: Shut Mouth
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|Verb||1.||keep one's mouth shut - refrain from divulging sensitive information; keep quiet about confidential information; "Don't tell him any secrets--he cannot keep his mouth shut!"|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.