slummy

adjective [原级]贫民区的；贫民窟的

He charged deserving clients little or nothing for his services and moved his impoverished family into what his son describes as a slummy township.
对于那些值得帮助的人他往往是服务了却不收钱或只收一点点钱，而他自己家却搬到了儿子口中所谓的贫民窟中。