拼音：yán bù yú yù
注音：ㄧㄢˊㄅㄨˋㄩˊㄩˋ
解释：言：说的话；逾：越过；阈：门坎。夫妻间说的话，不能越过大门。比喻说体己话不能让外人知道。
出处：《左传·襄公二十七年》：“床第之言不逾阈，况在野乎？”
Words: words spoken; Over: over; Threshold: threshold. What a husband and wife say can't cross the gate. Metaphorically speaking, you can't let outsiders know.
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