话里套话 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

话 huà speech, talk, language; dialect
里 lǐ unit of distance; village; lane
套 tào case, cover, wrapper, envelope
话 huà speech, talk, language; dialect