話裡套話 [ㄏㄨㄚˋ ㄌㄧˇ ㄊㄠˋ ㄏㄨㄚˋ; hua4 li3 tao4 hua4] to use seemingly innocent conversation topics as a pretext to glean information to touch upon other matters not central to the topic being discussed ◄ ►