Hey Ophelia,
Your easycron won't do it this time, as the we are dealing with a cli script and not a php file that can be accessed through the browser.
@Joomil.
First find the path to the executable php - ask your hosting support for this. For example on siteground servers it is:
/usr/local/php53/bin/php-cli
After that you need to enter the path to the ctransifex.php file as you see it with your ftp program. For example:
/home/userA/public_html/cli/ctransifex.php
So at the end the cronjob would look like this:
/usr/local/php53/bin/php-cli /home/userA/public_html/cli/ctransifex.php
That's it.
Regards,
Daniel