In casual American English, "The immense mountain was mesmerizing to me" sounds like "dhee uh-MEHNS MOWN-tuhn wuhz MEHZ-muh-rahy-zuhng tuh mee". Several things happen here, and the headline one is the Glottal T: the T closes off into a tiny silent pause instead of a clean release. Keep stressed words long, unstressed words short, and link the consonants forward into the vowels.
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What makes this sentence sound American.
In "mountain", the "t" before the syllabic nasal becomes a glottal stop — a catch in the throat where the schwa drops and the nasal becomes syllabic. This is called the Glottal T, and it's why Americans sound more relaxed than the textbook. It comes out as MOWN-tuhn.
What's happening in this sentence.
Small tricks that turn a textbook sentence into how an American actually says it.
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Each word has its own page with examples, common mistakes, and related words.
Common pronunciation mistakes in American English.
The textbook way isn't wrong — it's just not how anyone actually says it.
Releasing the T before the syllabic N.
In "mountain", the "t" before the syllabic nasal becomes a glottal stop — a catch in the throat where the schwa drops and the nasal becomes syllabic. /t/ becomes a glottal stop [ʔ] — a catch in the throat. The schwa in the following syllable is dropped, making the nasal syllabic.
Inserting a vowel before the syllabic consonant.
In "mountain", the short unstressed vowel before "" disappears — the schwa is absorbed and the "" becomes the syllable nucleus on its own. Schwa is absorbed — consonant becomes the syllable nucleus.
Leaving a gap between two vowels.
Between "" and "", a brief "" glide bridges the two vowels for smooth flow. A brief glide (y or w) bridges two vowels for smooth flow.
Pronouncing the function word too fully.
"the" is a function word — in connected speech, the full vowel reduces to a quick "" sound and consonants may simplify. Full vowel reduces to schwa /ə/ or other weak vowel. Consonants may simplify.