This idiom traditionally implies that if a woman assumes a dominant or authoritative role in the household, it will lead to the family's decline or ruin, reflecting a patriarchal warning against female assertiveness.
他奶奶总是说，家里不能牝鸡之晨，不然就没有规矩了。
His grandmother always said that a family shouldn't have a 'hen crowing at dawn,' otherwise there would be no order.
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