个中人
gè​zhōng​rén

person in the know

gè​zhōng​rén person in the know
  1. 个中 個中 gè​zhōng
    therein
    (literary) in that; inside this; within the matter or situation
  2. 人 rén noun
    person of a type
    a person of a certain type, category, or status

gè​zhōng​rén prostitute
  1. 个中 個中 gè​zhōng
    brothel
    (archaic) a coded term for a brothel or the demimonde
  2. 人 rén noun
    person of a type
    a person of a certain type, category, or status