A household marked by moral laxity and impropriety, especially regarding sexual conduct; domestic infidelity or promiscuity.
他家的家风曾经很严谨，但自他这一辈起，子弟行为散漫，帷箔不修，家道也跟着败落了。
His family once had strict traditions, but from his generation onward, the descendants' conduct became lax, with moral impropriety within the family, and their family fortune subsequently declined.
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