Not at all. See the section on this page entitled "Updating an existing translation":
From 1.4 beta 1, the qa-check-lang.php page will auto-generate the PHP code for the missing phrases in the current version. You can paste this directly into the appropriate qa-lang-*.php files, and then translate them of course.
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.
July 15, 2020: Q2A 1.8.5 released!