無話不談 wú huà bù tán

DEFINITIONS

  1. not to hold anything back (idiom)
  2. (of close friends etc) to tell each other everything

CHARACTERS

無 wú negative, no, not; lack, have no
話 huà speech, talk, language; dialect
不 bù
HSK 1
no, not; un-; negative prefix
談 tán talk; conversation; surname