To pronounce Chengdu in Mandarin Chinese, use the name Chéngdū, which consists of two syllables. The first syllable, "Chéng," is pronounced similarly to the English word "sung" but starts with a "ch" sound, and it uses a rising second tone, much like the inflection at the end of a question. The second syllable, "dū," is pronounced like the English word "do" or "doo" with a long "u" sound, and it carries a high, flat first tone. In the local Sichuanese dialect, the pronunciation shifts slightly to "Cen2du1," where the first syllable is pronounced more like "tsen" with a rising tone. While English speakers often say "CHUNG-DOO" with the emphasis on the second syllable, the accurate Mandarin pronunciation requires distinct tonal clarity on both parts.