There is type of user dictionary in ABBYY Lingvo: dictionaries that are created and updated while working with the program.
To add a new word to a user dictionary or edit an existing card:
In the opening Create/Edit Card dialog, either add a new card to your user dictionary or edit an existing card. In the same dialog, you can create a new user dictionary by clicking on the Create… button. You will need to specify the new dictionary’s translation direction and provide some additional information about your new dictionary.
Note: Each card you create in your user dictionary will be used for both translation and full-text searches.
To delete a card:
For details see:
Create/Edit card dialog