When playing the audio that provides the pronunciation and definition of the vocabulary covered in this course, the audio stops playing on many (most?) of the words before reaching the end of the audio clip.
When single-stepping through the vocabulary, hitting the play button again will cause the audio clip to finish playing, so all the audio is there, but something causes it to stop before finishing. This is very annoying as the audio often stops mid-word, totally interrupting the flow. Not good for someone trying to learn Greek. And very frustrating having to hit the play button twice.
When auto play is enabled to automatically go from one word to the next, the audio simply stops before finishing with the word it's currently pronouncing and defining, and jumps to the next word where the same thing happens.
I have not checked for this bug in every vocabulary chapter, but I have checked the first four chapters and it's happening in all of those.