talk someone out of something means

to persuade someone not to do something especially in a deceitful manner

گسی را از انجام کاری منصرف کردن

Talk someone out of sth # talk someone into sth
کسی را از انجام کاری منصرف کردن
I wanted to be a firefighter, but my family talked me out of it
من می خواستم آتش نشان بشم ولی خانوادم منو از تصمیمم منصرف کردن