Hi,
I'm Ahmed and I am here & happy to help.
For Android devices, you can open the Microsoft Translator app, click the three dashes and select settings, and then check the box next to Slow down speed of audio translation on repeat plays
https://www.hardreset.info/devices/apps/apps-mi...
I hope this helps! Let me know if you have any further questions or concerns.
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.