zméniti se (dogovoriti se)
zméniti se o to agree upon
zméniti se (paziti na) za kaj to heed something, to take heed of something, to pay (ali to give) heed to something, to care about something
ne se zméniti se za kaj to pay no heed to something
ne zmenim se za to I don't care about that
malo se zméniti se za kaj to make little of something
ni se zmenil za naše svarilo he ignored our warning
še zmenil se ni zanjo he wouldn't even give her a second thought