A place characterized by degenerate social customs and rampant petty criminality; a den of thieves and scoundrels.
这个地方多年来一直治理不力，如今已成了远近闻名的貊乡鼠壤，治安状况令人担忧。
This area has been poorly managed for years, and now it has become a notorious den of petty criminals, with public safety being a serious concern.
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