sound out

/S AW1 N D AW1 T/
verb
  1. 1

    (transitive) To pronounce a word or phrase by articulating each of its letters or syllables slowly in sequence.

  2. 2

    (transitive) To question and listen attentively in order to discover a person's opinion, intent, or preference, especially by using indirect conversational remarks.

  3. 3

    (intransitive) To speak or sing loudly, to call out.