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

read sth into sth

phrasal verb with read uk us /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)