This matter shouldn't be broadcast to everyone - please handle it discreetly.
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From 《列女传·节义》 (Han-era Biographies of Exemplary Women), where the speaker rhetorically asks whether her family's affairs could really be told to every house and known to every person - meaning some things cannot be publicly justified.
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Literary. Modern equivalents include 家喻户晓 (known by every family), which is more common in everyday writing.
