http://www.oup.com/images/elt/oald7/pvsym.gif win sbhttp://www.oup.com/images/elt/oald7/pvarr.gifaround / over / round (to sth) to get sb’s support or approval by persuading them that you are right: She’s against the idea but I’m sure I can win her over.
sth is acceptable but wouldn't "someone" be unacceptable? Is over more preferable to "around"?

