The Chinese characters "荅沓" are pronounced as "dá tà". In English pronunciation, "dá" can be similar to "duh" with a soft "a" sound at the end. "Tà" can be pronounced like "tah" with a stronger emphasis. These characters might not be very commonly known, but by breaking down the pronunciations, it becomes easier to understand. Pronouncing Chinese characters in English is often an approximation as the sounds in Chinese and English are different. However, this can give a general idea of how to say these characters.