Tolino: use dictionaries
Since firmware version 1.2.4 supports the Tolino now dictionaries.
- Tap while reading a book on an unfamiliar word and then choose "Check" or "Translate".
- If in the Translation the wrong dictionaries is selected, you can select the desired book from the list or click "More dictionaries".
- Using the arrows to the translation direction of the change.
- Dictionaries you can use to read, but even without a book. You can find this under "settings" > "dictionaries".

Tolino: use dictionaries (Quelle:chip.de)
A lot of interesting tips for the Amazon kindle, can be found here.