If have not mastered Wenja or Izila, then there are localized subtitles that are enabled by default.
If you have disabled the subtitles then you can re-enable them by following the steps below:
1. From the pause menu or main menu select Options
2. Select the Video section
3. Highlight Subtitles and select your language of choice
For more information on this aspect of the game please check out the link below:
Also, check out the Behind the Scenes video shown below: