Translation of bleich

In addition, may i know whether you are using external resources to translate? It is very important not to copy words from other dictionaries. Better to take just the best two translations for a certain word and not all translations.
I've also looked at the interface, and found it a good idea to include the colloquial option. Would it be very complicated to add the most important regional check box, like Spain, South America or Central America?
I signed up at Vocabulix long time ago and I did not use the account, I even forgot it. But I am always remembering it when I receive newsletters or when I am contacted by other Vocabulix users.