(as) clear as the sky is blue

(as) clear as the sky is blue

Very apparent or obvious. You owe us money—it's right there in your contract, clear as the sky is blue! I had heard they'd reconciled, but the tension between them was about as clear as the sky as blue. Based on your overflowing inbox, it's as clear as the sky is blue that you've been neglecting the filing.

See also: blue, clear, sky

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