Paddling not swimming.

After Pickle's amaze- and amuse- ment at seeing the strange (to him) creatures called 'ducks' he was taken, as promised, to see some bigger creatures. His flabber was gasted at the sight and after some reflection he talked to the geese in a language even they couldn't understand (at least, I think not). The translation showed that he had picked up a modern (but dying out) useless phrase which was deciphered as "Which part of the word 'forbidden', don't you understand"?