The truth cannot be concealed; a secret will eventually come out.
他以为可以瞒天过海，但谎言终究是谎言，纸包不住火，很快就被大家发现了。
He thought he could get away with it, but a lie is a lie, and the truth cannot be concealed; it was soon discovered by everyone.
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The truth cannot be concealed; a secret will eventually come out.