huà​bù​tóu​jī

not on the same wavelength

  1. speech
    spoken words; speech; talk; conversation; what someone says; something said
  2. adverb
    not
    Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
  3. congenial
    agreeable or of the same mind; getting along well because of shared views or interests