«إِيشْ عَرَّفِ الْحِمِيرْ بِأَكْلِ الْجَنْزَبِيلْ»

The image is of a donkey presented with ginger, a food it has never encountered and has no idea how to handle. The proverb applies this picture to a person who takes on something lying well outside what they know.

Its point connects unfamiliarity with poor performance: because the person does not understand what they have undertaken, they cannot carry it out properly. Lack of knowledge leads directly to an unsatisfactory result.

Apply it when someone takes up a task or subject they know nothing about and, owing to that ignorance, handles it poorly. It explains the shortfall by pointing to the gap between the person's knowledge and what the undertaking demands.