$pfStr .= '<div class="menufilter"><ul class="clean" id="filter"><li class="current"><a href="javascript:void(0)">All</a></li>';
Now change the 'All' text to translate in another language.
If you are still getting problem you can send your website URL and WordPress admin login details at support@gracethemes.com so we can solve your problem.
Regard
Grace Themes Reply To: Edit text string in Our Menu [EaterStop]
Hi
To translate the text in Our Menu
Go to the Appearance -> Theme Options -> custom-functions.php
at line no. 625 find this code