If the translation is wrong, and I look in the dictionary, then I should be able to edit that.
I was reading Mon Oncle Jules by Guy de Maupassant and the word ''sous'' was one of the words I clicked on. I could not get rid of the definition that it means ''under''. In this story, it is the plural of ''sou'', which is a penny. How can I study that in my flashcard deck if it won't let me change the definintion
You certainly can!
You can edit translations from three places in the app:
1. The reader page: Open the sidebar (the little button at the top right of the page), open the “Words” tab, and click on one of the words to see the editing controls.
2. The Word List page: http://readlang.com/words
3. The flashcard page: the first time you encounter a card, after clicking to reveal the answer, you should see a little pencil icon which will show the edit controls when clicked.
Hope that helps, let me know if you have any more problems.