To be cast adrift by fate into varying fortunes, often specifically referring to a woman's fall into a life of disrepute or degradation.
她本是大家闺秀，奈何家道中落，最终飘樊落溷，令人唏嘘
She was originally a young lady from a good family, but unfortunately, her family fortunes declined, and she eventually drifted into a life of degradation, which is truly regrettable.
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