For a client, who uses this now outdated, best-seo-itranslator-for-wordpress plugin, we created following rewrite rules:
For Nginx
Add following codes in your example.com server {..}
block
location ^~ /trans/{ rewrite /trans/(.+?)/(.*)$ /wp-content/plugins/best-seo-itranslator-for-wordpress/translonator.php?act=doTranslatePage&lang=$1&dir=$2; }
Above rules are created for following apache codes:
RewriteRule ^trans/(.+?)/(.*?)$ wp-content/plugins/best-seo-itranslator-for-wordpress/translonator.php?act=doTranslatePage&lang=$1&dir=$2 [NC,L]