How to pronounce Energy cannot be created or destroyed, only transformed. in American English

Words 8 Difficulty Intermediate Featured sound Flap T

EH·ner·jee energy KA·naht cannot bee be kree·AY·duhd created or or duh·STROYD destroyed OHN·lee only trans·FORMD transformed

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Americans pronounce "Energy cannot be created or destroyed, only transformed" as "EH-ner-jee KA-naht bee kree-AY-duhd or duh-STROYD OHN-lee trans-FORMD" in casual speech. Several things bend the textbook pronunciation. The headline is the Flap T — the T between vowels turns into a quick D-like flap. It lands on created, and it's why Americans sound more relaxed than the textbook. Keep stressed words long, unstressed words short, and link the consonants forward into the vowels.

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Sounds

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Clarity

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Stress

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Intonation

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Fluency

62%

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72% Noticeable accent

Common mistakes

Saying a hard "T" in the middle.

In "created", the "d" between vowels sounds like a quick "d" — the tongue briefly taps the ridge behind the upper teeth. /t/ or /d/ becomes a quick tap [ɾ] — sounds like a soft D. The tongue briefly taps the ridge behind the upper teeth.

Pronouncing the vowel before M/N too pure.

In "cannot", the "a" vowel before M or N raises and fronts toward [eə] — the tongue pulls up and forward, breaking the vowel into a tense glide as it anticipates the nasal. The "/æ/" vowel raises and fronts before M or N — tongue pulls up and forward, producing a tense [eə] glide (between /e/ and /ə/). Not a pure /æ/.

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The breakdown

What's happening in this sentence.

Small tricks that turn a textbook sentence into how an American actually says it.

Unreleased Stops in "cannot"In "cannot", the "t" is not released — the articulators get into position but hold without the burst of air.

→ə

Reduced Words (to, for, of) in "be""be" is a function word — in connected speech, the full vowel reduces to a quick "bee" sound and consonants may simplify.

t→ɾ

Flap T in "created"In "created", the "d" between vowels sounds like a quick "d" — the tongue briefly taps the ridge behind the upper teeth.

Flap T Across Words between "created" & "or"The "d" at the end of "created" links to the vowel starting "or" — it flaps to sound like a quick "d", with the tongue briefly tapping the ridge behind the upper teeth.

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energy EH·ner·jee cannot KA·naht be bee created kree·AY·duhd or or destroyed duh·STROYD only OHN·lee transformed trans·FORMD

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Watch out

Common pronunciation mistakes in American English.

The textbook way isn't wrong — it's just not how anyone actually says it.

Saying a hard "T" in the middle.

kree-AY-tuht→kree·AY·duhd

Pronouncing the vowel before M/N too pure.

KA-naht→KA·naht

Releasing the final consonant with a puff of air.

In "cannot", the "t" is not released — the articulators get into position but hold without the burst of air. Air stops but there's no release burst — the articulators hold position.

KA-naht→KA·naht

Hard T at the end of a word, not a flap.

The "d" at the end of "created" links to the vowel starting "or" — it flaps to sound like a quick "d", with the tongue briefly tapping the ridge behind the upper teeth. Same flap as within-word (R1) but spanning two words.

kree-AY-tuht→kree·AY·duhd

Questions

Questions people ask about this.

Why do the T sounds turn into D-like sounds in this sentence?

That's the flap-T rule: when /t/ sits between two vowels — inside a single word, or across the boundary between two words — Americans replace the crisp T with a quick D-like flap. It's one of the most distinctive sounds of casual American speech and one of the first things to copy if you want to sound less textbook.

Why is "be" said so quickly in this sentence?

Function words — articles, prepositions, auxiliaries, pronouns — reduce to short, unstressed schwa shapes in casual American speech. Pronouncing them fully like the dictionary entry is a dead giveaway of a textbook accent. Native speakers stress only the content words and let everything else collapse.

Is this how the sentence is taught in textbooks?

Textbooks usually teach the citation form — every word pronounced fully, every consonant crisp, every vowel pure. Americans actually flap their Ts, drop function-word H's, link consonants forward into vowels, and reduce unstressed syllables to schwa. The respell on this page shows the casual form you'll hear in real conversations rather than the textbook version.

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Common mistakes

Saying a hard "T" in the middle.

Pronouncing the vowel before M/N too pure.

What's happening in this sentence.

Tap any word for its full breakdown.

Looking for a different word or sentence?

Common pronunciation mistakes in American English.

Saying a hard "T" in the middle.

Pronouncing the vowel before M/N too pure.

Releasing the final consonant with a puff of air.

Hard T at the end of a word, not a flap.

Questions people ask about this.

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