Hello,
It is possible to achieve such functionality of
Smart search web parts. All you need to do is create a new transformation for the selected web part (e.g. Smart search results, Smart search dialog with results) and put the field to be rendered in there. This can be done using macro
Eval - it should look like this :
<%# Eval("ArticleTeaserText") %>
Further details about transformations can be found in
Developer's Guide - Transformations.
Best regards,
Filip Ligac