Many times is simple impossible to translate the words without check the source code.
Now, we need to open pootle (https://www.zabbix.org/pootle/pt_BR/) select words... and translate... but...
when I found a translation of someting like: https://www.zabbix.org/pootle/pt_BR/Zabbix-trunk/translate.html#unit=394139
I found reference to two files and lines (report3.php:114 report4.php:145)
I think is better if have a link to this files in public repository (like... click on report3.php and open the a URL with source code).
Because in some times... is impossible to translate wihtout open the source code to undestand the cenario...