they speak English
People from Palermo speak Sicilian dialect.
They speak the Beijing dialect of Mandarin.
people from different countries speak different dialect.
In Iligan, people primarily speak Cebuano/Bisaya and English. There may also be traces of Maranao and other indigenous languages due to the city's diverse population.
He speaks a rare dialect of Latin that I do not understand.
Natives speak in their own tongue, whether it is English or dialect
They have been influenced from the Netherlands. But they speak very differently. Kind of street accent. Nice to hear.
The people of Guilin primarily speak a dialect of Mandarin Chinese known as Guilinese or Guilinhua. This dialect is part of the southwestern Mandarin subgroup and has its own unique characteristics and accent.
Everyone has a different dialect, it is the same language just with a couple of twists in the wording. Someone from Yorkshire would have a Yorkshire dialect whereas someone from London would have a London Dialect.
Yes, New Yorkers speak English. They speak a dialect of it found mostly along the northeastern seaboard of the United States, but that dialect is perfectly intelligible to other speakers of English.
Sacajawea spoke the dialect of the Shoshone people, and couldn't speak English or French.