read between the lines

/R EH1 D B IH0 T W IY1 N DH AH0 L AY1 N Z/
verb
  1. 1

    To infer a meaning that is not stated explicitly.

    โ€œIf you read between the lines a little, you will realize that he has deeper motives.โ€

Source: https://en.wiktionary.org/wiki/read%20between%20the%20lines