In casual American English, "Let's turn on the air conditioner" sounds like "LEHTS TURN AHN dhee AIR kuhn-DIH-shuh-ner". Several things happen here, and the headline one is the Consonant-to-Vowel Linking: the consonant links forward into the next vowel without a pause. 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.
The "" at the end of "turn" flows directly into the vowel starting "on" — the consonant migrates to the next word with no pause between. This is called the Consonant-to-Vowel Linking, a connected-speech trick that makes phrases flow. It comes out as TURN.
What's happening in this sentence.
Small tricks that turn a textbook sentence into how an American actually says it.
Tap any word for its full breakdown.
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.
Pausing between the words.
The "" at the end of "" flows directly into the vowel starting "" — the consonant migrates to the next word with no pause between. Final consonant "migrates" to next word — no pause between.
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.
Pronouncing the vowel inside the contraction.
In fast speech, the vowel in "let's" vanishes — the "ih" is completely elided, leaving only a quick "ts" cluster — this is a feature of casual, connected speech; in careful speech, the vowel is retained. In single-syllable -ts contractions (it's = it + is, that's = that + is, what's = what + is, let's = let + us), the unstressed vowel of the enclitic ("is" /ɪ/ or "us" /ə/) is completely elided in fast speech, leaving only the final /ts/ cluster.