To drift from a comfortable life to a degraded one due to unforeseen circumstances; often refers to a woman falling into disrepute or a life of infamy.
听说她为了生计，不幸飘茵随溷，从此便很少在故乡露面了。
I heard that for the sake of livelihood, she unfortunately fell into a life of disrepute, and has rarely shown her face in her hometown since.
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