read into

US /riːd ˈɪntuː/
UK /riːd ˈɪntuː/
"read into" picture
1.

深読みする, 裏を読む

to believe that an action, remark, etc., has a hidden meaning

:
Don't read into her silence; she's just tired.
彼女の沈黙に深読みしないでください。ただ疲れているだけです。
I think you're reading too much into his casual remark.
彼の何気ない発言に深読みしすぎだと思います。