The word "Fidalio" is spelled with a combination of sounds that require careful attention to details. The first syllable "Fi" is pronounced as /fi/ with a short vowel sound followed by a single consonant. The second syllable "da" is pronounced as /dɑ/ with a long vowel sound, while the last syllable "lio" is pronounced as /li.o/ with a diphthong vowel sound followed by a weak vowel sound. Altogether, the word "Fidalio" is pronounced as /fiˈdali.o/ with the primary stress on the second syllable.