patois

patois
[ˈpatwɑː]
(复同单 -wɑːz)
  1. the dialect of the common people of a region, differing in various respects from the standard language of the rest of the country
    方言,土语
    the nurse talked to me in a patois that even Italians would have had difficulty in understanding.
    那个护士和我说话所用的方言即便是意大利人也很难听懂。
    ■the jargon or informal speech used by a particular social group
    黑话,行话,圈内用语
    the raunchy patois of inner-city kids.
    内城年轻人淫秽的圈内用语。
语源
  1. mid 17th cent.: French, literally rough speech', perhaps from Old French patoier 'treat roughly', from patte 'paw'
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