話裡套話 huà lǐ tào huà

DEFINITIONS

  1. to use seemingly innocent conversation topics as a pretext to glean information
  2. to touch upon other matters not central to the topic being discussed

CHARACTERS

話 huà speech, talk, language; dialect
裡 lǐ inside, interior, within
套 tào case, cover, wrapper, envelope
話 huà speech, talk, language; dialect