It was because his boat had got wedged on the Serpentine between fields of floating ice, through which he had to break a perilous passage with his trusty paddle.
Kontua da txalupa Serpentinan krokatuta geratu zitzaiola, ur gaineko izotz-zelaien artean, eta zelai horien artean pasabide arriskutsu bat ireki behar izan zuela, beti alboan zeraman arraunarekin.