Colour idioms

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Grey area

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An idiom used to express uncertainty or ambiguity in a situation.

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Blue-collar workers

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Workers who do manual labor or work requiring physical skill, often in industries such as manufacturing or construction.

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In the red

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An idiom used to indicate that someone is in debt or has a negative balance.

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Green light

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An idiom meaning permission to proceed with a project or action.

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Red tape

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Unnecessary or excessive rules and regulations that hinder progress.

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Flying colors

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An idiom used to express success or achieving something with great distinction.

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Out of the blue

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An idiom meaning something that happens unexpectedly or without warning.

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Seeing red

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An idiom used to describe someone who is very angry.

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Caught red-handed

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An idiom meaning to be caught in the act of doing something wrong.

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White lie

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A harmless or trivial lie, often told to avoid hurting someone's feelings.