Meaning of “read sth into sth” - Learner’s Dictionary

read sth into sth

phrasal verb with read us uk /riːd/ verb past tense and past participle read /red/

to believe that an action, remark, etc has a particular meaning when it has not:

Don't read too much into anything he says.

(Definition of “read sth into sth” from the Cambridge Learner’s Dictionary © Cambridge University Press)